CN108961786B - Traffic organization method for intersection with wide central isolation zone - Google Patents

Traffic organization method for intersection with wide central isolation zone Download PDF

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CN108961786B
CN108961786B CN201810855642.8A CN201810855642A CN108961786B CN 108961786 B CN108961786 B CN 108961786B CN 201810855642 A CN201810855642 A CN 201810855642A CN 108961786 B CN108961786 B CN 108961786B
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waiting area
phase
west
east
south
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CN108961786A (en
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祖永昶
卢健
付强
王建强
邱红桐
华璟怡
顾金刚
王波
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Traffic Management Research Institute of Ministry of Public Security
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Traffic Management Research Institute of Ministry of Public Security
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/081—Plural intersections under common control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/096—Arrangements for giving variable traffic instructions provided with indicators in which a mark progresses showing the time elapsed, e.g. of green phase

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Abstract

本发明提供了一种具有宽中央隔离带的交叉口的交通组织方法，其利用因中央隔离带存在产生的道路交叉口的空间设置动态可变待行区，在道路交叉口内对应中央隔离带设有动态可变待行区，所述动态可变待行区内设有可变车道，每个动态可变待行区内分别设有待行区信号灯，动态可变待行区前方设置可变式分车道指示标志，用于指引可变车道变化，当中央隔离带位于东西方向的道路中间时，道路交叉口内的动态可变待行区对应设置为东侧待行区和西侧待行区，车辆按设置相位顺序循环通行，通过合理的相位设置，压缩了路口清空时间，提高路口放行效率，通过时空优化，从而实现单位时间内通过更多交通流量的目标，避免了车辆溢出，提高了通行效率。

Figure 201810855642

The invention provides a traffic organization method for an intersection with a wide central isolation belt, which utilizes the space of the road intersection generated by the existence of the central isolation belt to set up a dynamic variable waiting area, and sets a corresponding central isolation belt in the road intersection. There is a dynamic variable waiting area, the dynamic variable waiting area is provided with a variable lane, each dynamic variable waiting area is respectively provided with a waiting area signal light, and a variable type is set in front of the dynamic variable waiting area. The lane-division indicator is used to guide the change of variable lanes. When the central isolation belt is located in the middle of the road in the east-west direction, the dynamic variable waiting area in the road intersection is correspondingly set to the east waiting area and the west waiting area. Vehicles cycle through the set phase sequence. Through reasonable phase setting, the intersection clearing time is compressed, the efficiency of intersection clearance is improved, and through space-time optimization, the goal of passing more traffic flow per unit time is achieved, avoiding vehicle overflow and improving traffic flow. efficiency.

Figure 201810855642

Description

Traffic organization method for intersection with wide central isolation zone
Technical Field
The invention relates to the field of urban road traffic organization, in particular to a traffic organization method for an intersection with a wide central isolation zone.
Background
In urban traffic, the traffic capacity of road intersections directly affects and restricts the traffic efficiency of the whole road network, which becomes a bottleneck of urban traffic, and how to improve the traffic efficiency of the intersections is an effective means for solving traffic problems.
At present, in many cities, due to reasons of road widening, large-scale road construction, viaduct beam construction, natural river obstruction and the like, large-scale intersections with wide central isolation are formed in the cities. The intersection has the difficulty that traffic organization is inconvenient to carry out due to overlarge intersection space, and the traffic organization is difficult. The existing intersection is mainly organized in the following ways: (1) the intersection is divided into two small intersections for signal control, but the intersection is often improperly coordinated due to overlarge flow in a peak period, and vehicles at the intersection are easy to overflow in the peak period; (2) the signal lamp control is carried out according to the conventional intersection mode, but the traffic distance is too long, the emptying time is too long, the traffic efficiency is not high due to too large intersection space, and even traffic accidents are easily caused due to untimely emptying.
Disclosure of Invention
Aiming at the problems, the invention provides a traffic organization method for an intersection with a wide central isolation zone, which utilizes the space of the road intersection generated by the existence of the central isolation zone to set a dynamic variable waiting area, utilizes the space resources of the intersection to the maximum extent, compresses the clearing time of the intersection through reasonable phase setting, improves the passing efficiency of the intersection, and realizes the aim of passing more traffic flows in unit time through space-time optimization, thereby avoiding vehicle overflow and improving the passing efficiency.
The technical scheme is as follows: a traffic organization method for an intersection with a wide central isolation zone is characterized in that signal lamps are respectively arranged at an east inlet, a west inlet, a south inlet and a north inlet of the intersection, and the traffic organization method is characterized in that: in a road intersection, a dynamic variable waiting area is arranged corresponding to a central isolation belt, a variable lane is arranged in the dynamic variable waiting area, a signal lamp of the waiting area is arranged in each dynamic variable waiting area, a variable lane indicator is arranged in front of the dynamic variable waiting area and used for guiding the change of the variable lane, when the central isolation belt is positioned in the middle of a road in the east-west direction, the dynamic variable waiting area in the road intersection is correspondingly arranged into an east waiting area and a west waiting area, and vehicles can pass through in a circulating mode according to the following phase sequence:
phase 1: when the east import is released, the function of the variable lane in the west waiting area is adjusted to be 'straight-going'; at this time, the south entry vehicle enters the east waiting area to wait, and the lane-changing function of the east waiting area is adjusted to 'left turn + straight travel'.
Phase 2: the east import stops releasing, the west waiting area continues releasing, the left-turning vehicle at the east import is ensured to move to the south through the west waiting area, the west waiting area is emptied, and the vehicle is prevented from overflowing; subsequently, the south entry and the east standby area are cleared.
Phase 3: the south entrance signal is adjusted to be red light in advance, vehicles are forbidden to enter the east waiting area, the west waiting area stops releasing, and vehicles in the road of the south half-width road are emptied; the east waiting area continues to be released, and vehicles in the east waiting area are emptied to avoid overflow;
phase 4: the west import starts to release, the east waiting area keeps the release state, and the function of the variable lane is adjusted to be 'straight-going'; the north-entry vehicles enter the west waiting area to wait for passing, and the lane-changing function of the west waiting area is adjusted to 'left turn + straight going'.
Phase 5: the west entrance stops releasing, the east waiting area continues releasing, the left-turning vehicle at the west entrance is ensured to drive to the north through the east waiting area, the east waiting area is emptied, and the vehicle is prevented from overflowing; subsequently, the north import and the west waiting area are released.
Phase 6: the north entrance signal is adjusted to be a red light in advance, vehicles are forbidden to enter a west waiting area, the east waiting area stops releasing, and vehicles in a north half-width road are emptied; and the west waiting area continues to be released, and vehicles in the west waiting area are emptied to avoid overflow.
Furthermore, each inlet of the road intersection is respectively provided with a flow detector, and the division of the number of the left-turn lanes and the straight lanes in the variable lanes is determined according to the traffic flow detected by the flow detectors.
The requirements for green and clear six phase signals at a road intersection are as follows:
(1) west waiting area green time t of phase 11The green time t of the west waiting area of the phase 22The sum of the waiting areas can ensure that vehicles in the west waiting area can be emptied, or the queuing length of the west waiting area can be ensured not to overflow the west waiting area;
(2) green time t of east standby row zone of phase 23Green time t of east standby zone with phase 34The vehicle in the east waiting area can be emptied or the queuing length of the east waiting area is ensured not to overflow the east waiting area;
(3) green time t of east standby zone of phase 45Green time t of east standby zone with phase 36The vehicle in the east waiting area can be emptied or the queuing length of the east waiting area is ensured not to overflow the east waiting area;
(4) west waiting area green time t of phase 57The green time t of the west waiting area of the phase 68The sum of the waiting areas can ensure that vehicles in the west waiting area can be emptied, or the queuing length of the west waiting area can be ensured not to overflow the west waiting area;
(5) when the phase is converted to the phase, the interior of the intersection is ensured to be empty, wherein
When the phase 1 is converted into the phase 2, clearing the north half way;
when the phase 3 is converted into the phase 4, clearing the east half way;
when the phase 4 is converted into the phase 5, clearing the south half way;
when the phase 6 is converted into the phase 1, emptying the west half way;
the transition from phase 2 to phase 3 and from phase 5 to phase 6 does not require setting of blanking time;
the emptying time length is determined according to the width of the intersection and the real-time passing speed of the vehicle detected by the detector, the emptying time t = L/v, the width of the intersection is L, and the real-time passing speed of the vehicle detected by the detector is v.
A traffic organization method for an intersection with a wide central isolation zone is characterized in that signal lamps are respectively arranged at an east inlet, a west inlet, a south inlet and a north inlet of the intersection, and the traffic organization method is characterized in that: in the road intersection, a dynamic variable waiting area is arranged corresponding to the central isolation zone, a variable lane is arranged in the dynamic variable waiting area, a signal lamp of the waiting area is respectively arranged in each dynamic variable waiting area, a variable lane dividing indication mark is arranged in front of the dynamic variable waiting area and used for guiding the change of the variable lane,
when the central isolation belt is positioned in the middle of a road in the south-north direction, the dynamic variable waiting areas in the road intersection are correspondingly set as a south waiting area and a north waiting area, and vehicles can pass through in a circulating mode according to the following phase sequence:
phase 1: when the south import is released, the waiting area on the north side keeps the released state, and the function of the variable lane is adjusted to be 'straight-going'; the west import vehicle enters the south waiting area to wait for passing, and the lane-changing function of the south waiting area is adjusted to 'left turn + straight going';
phase 2: the release of the south import is stopped, the release of the north waiting area is continued, the left-turning vehicles at the south import are guaranteed to run to the west through the north waiting area, the north waiting area is emptied, and the vehicles are prevented from overflowing; then, the west import and the south waiting area are released;
phase 3: the west entrance signal is adjusted to a red light in advance, vehicles are prohibited from entering a south waiting area, the north waiting area stops releasing, and vehicles in a west half-way entrance are emptied; the waiting area on the south side continues to be released, and vehicles in the waiting area on the south side are emptied to avoid overflowing;
phase 4: the north import starts to release, the south waiting area keeps the release state, and the function of the variable lane is adjusted to be 'straight-going'; the east imported vehicle enters a north waiting area to wait for passing, and the lane-changing function of the north waiting area is adjusted to 'left turn + straight going';
phase 5: the release of the north import is stopped, the release of the south waiting area is continued, the left-turning vehicles at the north import are ensured to pass through the south waiting area and move to the east, the south waiting area is emptied, and the vehicles are prevented from overflowing; the east import and the north waiting area are released;
phase 6: the east import signal is adjusted to be a red light in advance, the vehicle is forbidden to enter a waiting area on the north side, the waiting area on the south side stops releasing, and the vehicle in a half-width intersection on the east side is cleared; and the north waiting area continues to be released, and vehicles in the north waiting area are emptied to avoid overflow.
Furthermore, each inlet of the road intersection is respectively provided with a flow detector, and the division of the number of the left-turn lanes and the straight lanes in the variable lanes is determined according to the traffic flow detected by the flow detectors.
The requirements for green and clear six phase signals at a road intersection are as follows:
(1) phase 1 green time t of north standby area1The green time t of the north waiting area of phase 22The vehicle in the north waiting area can be emptied or the queuing length of the north waiting area is ensured not to overflow the north waiting area;
(2) south waiting area green time t of phase 23And the south waiting area green time t of the phase 34The vehicle in the waiting area on the south side can be emptied, or the queuing length of the waiting area on the south side is ensured not to overflow the waiting area on the south side;
(3) south waiting area green light time t of phase 45And the south waiting area green time t of the phase 36The vehicle in the waiting area on the south side can be emptied, or the queuing length of the waiting area on the south side is ensured not to overflow the waiting area on the south side;
(4) phase 5 green time t of north standby area7And the green time t of the north waiting area of the phase 68The vehicle in the north waiting area can be emptied or the queuing length of the north waiting area is ensured not to overflow the north waiting area;
(5) when the phase is converted to the phase, the inside of the intersection is ensured to be emptied:
when the phase 1 is converted into the phase 2, clearing the south half way;
when the phase 3 is converted into the phase 4, emptying the west half way;
when the phase 4 is converted into the phase 5, clearing the north half way;
when the phase 6 is converted into the phase 1, clearing the east half-way;
the transition from phase 2 to phase 3 and from phase 5 to phase 6 does not require setting of blanking time;
the emptying time length is determined according to the width of the intersection and the real-time passing speed of the vehicle detected by the detector, the emptying time t = L/v, the width of the intersection is L, and the real-time passing speed of the vehicle detected by the detector is v.
A traffic organization method for an intersection with a wide central isolation zone is characterized in that signal lamps are respectively arranged at an east inlet, a west inlet, a south inlet and a north inlet of the intersection, and the traffic organization method is characterized in that: in the road intersection, a dynamic variable waiting area is arranged corresponding to the central isolation belt, a variable lane is arranged in the dynamic variable waiting area, each dynamic variable waiting area is respectively provided with a waiting area signal lamp, a variable lane indicator is arranged in front of the dynamic variable waiting area and used for guiding the change of the variable lane, when the central isolation belt is arranged in the middle of the roads in the east-west direction and the north-south direction, the dynamic variable waiting area in the road intersection is correspondingly arranged into an east waiting area, a west waiting area, a south waiting area and a north waiting area, and vehicles can pass through circularly according to the following phase sequence:
phase 1: the south waiting area stops releasing, the east entrance, the north waiting area and the west waiting area release, the variable lane function of the north waiting area is adjusted to 'go straight + turn left', and the variable lane function of the west waiting area is adjusted to 'go straight'; the south entry vehicle enters an east waiting area to wait for passing, and the lane-changing function of the east waiting area is adjusted to 'left turn + straight going';
phase 2: the east import stops releasing, the west waiting area continues releasing, the left-turning vehicle at the east import is ensured to move to the south through the west waiting area, the west waiting area is emptied, and the vehicle is prevented from overflowing; then, releasing the south import, the east waiting area and the north waiting area;
phase 3: the west waiting area stops releasing, the south import area, the east waiting area and the north waiting area continue releasing, and the function of the changeable lane of the north waiting area is adjusted to 'straight driving'; vehicles at the west entrance enter the south waiting area to wait for passing, and the lane-changing function of the south waiting area is adjusted to be 'left-turning + straight-going';
phase 4: the release of the south import is stopped, the release of the north waiting area is continued, the left-turning vehicles at the south import are guaranteed to run to the west through the north waiting area, the north waiting area is emptied, and the vehicles are prevented from overflowing; the west import, the south waiting area and the east waiting area are released;
phase 5: the north waiting area stops releasing, the west entrance, the south waiting area and the east waiting area continue releasing, wherein the lane function of the east waiting area is adjusted to be 'straight going'; the north-entry vehicle enters a west waiting area to wait for passing, and the function of the variable lane of the west waiting area is adjusted to be 'left-turn + straight-going';
phase 6: the west entrance stops releasing, the east waiting area continues releasing, the left-turning vehicle at the west entrance is ensured to drive to the north through the east waiting area, the east waiting area is emptied, and the vehicle is prevented from overflowing; the north import, the west waiting area and the south waiting area are released;
phase 7: the east waiting area stops releasing, the north import waiting area, the west waiting area and the south waiting area continue releasing, wherein the lane function of the south waiting area is adjusted to be 'straight going'; the east import vehicle enters a north waiting area to wait for passing, and the lane function is adjusted to 'left turn + straight going';
phase 8: the release of the north import is stopped, the release of the south waiting area is continued, the left-turning vehicles at the north import are ensured to pass through the south waiting area and move to the east, the south waiting area is emptied, and the vehicles are prevented from overflowing; and the east import, the north waiting area and the west waiting area are released.
Furthermore, each inlet of the road intersection is respectively provided with a flow detector, and the division of the number of the left-turn lanes and the straight lanes in the variable lanes is determined according to the traffic flow detected by the flow detectors.
Further, the green light release time of the intersection in four directions is determined by adopting an HCM method, and meanwhile, the release time of partial phase signals meets the following conditions:
(1) phase 1 green time t1Green time t of phase 22And green time t of phase 612The sum of the waiting time and the waiting time can ensure that vehicles in the west waiting area can be emptied or the queuing length of the west waiting area can not overflow the west waiting area;
(2) green time t of phase 23Green time t of phase 34And green time t of phase 45In addition, the vehicles in the north waiting area are emptied as far as possible, or the queuing length of the north waiting area is ensured not to overflow the north waiting area;
(3) green time t of phase 46、Green time t of phase 57And green time t of phase 68In addition, vehicles in the east waiting area are emptied as far as possible, or the queuing length of the east waiting area is ensured not to overflow the east waiting area;
(4) green time t of phase 69Green time t of phase 710And green time t of phase 811In addition, vehicles in the south waiting area are emptied as far as possible, or the shortest queuing length of the waiting area is ensured and the vehicles do not overflow into the road junction;
(5) when the phase is switched, the interior of the intersection should be ensured to be empty, the central isolation belt is arranged, so that only the intersection space at the diagonal side needs to be cleaned, when the phase 1 is switched to the phase 2, the phase 3 is switched to the phase 4, the phase 5 is switched to the phase 6, the phase 7 is switched to the phase 8, the phase 2 is switched to the phase 3, the phase 4 is switched to the phase 5, the phase 6 is switched to the phase 7, the phase 8 is switched to the phase 1, the phase 6 is switched to the northwest, the phase 8 is switched to the southwest, the emptying duration can be determined according to the road width of the diagonal and the real-time traffic speed of the vehicle detected by the detector, the emptying time t = L/v, wherein the road width of the diagonal is L, and the real-time traffic speed of the vehicle detected by the detector is.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the dynamic variable waiting area is set by utilizing the central isolated space, so that the queuing space of the vehicle is increased;
2. through the arrangement of the built-in dynamic variable waiting area, the stop line can move forwards, the distance between the vehicles passing through the intersection is shortened, and the passing time is reduced;
3. the traffic flow data detected by the flow detector is combined with the setting of phase release to realize the dynamic adjustment of the lane function and the lane number of the to-be-driven area, so that space resources are more reasonably distributed;
4. the arrangement of the cyclic release and lap joint phase signals is adopted, the traffic conflict between intersections is reduced, yellow light or full red clearing time is not required to be arranged between part of phase transitions, the intersection space is divided into a part of road passing areas and a part of road clearing areas when the other part of phase transitions are in operation, the intersection clearing time and space are effectively compressed, the intersection is always in a continuous vehicle passing state, and the intersection signal release efficiency is effectively improved.
Drawings
FIG. 1 is a schematic illustration of an intersection with a wide central isolation zone according to specific embodiment 1 of the present invention;
fig. 2 is a schematic diagram of signal passing phases 1 and 2 of embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of signal passing phases 3 and 4 of embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of signal passing phases 5 and 6 of embodiment 1 of the present invention;
FIG. 5 is a schematic diagram of signal passing phases 1 and 2 of embodiment 2 of the present invention;
FIG. 6 is a schematic diagram of signal passing phases 3 and 4 of embodiment 2 of the present invention;
FIG. 7 is a schematic diagram of signal passing phases 5 and 6 of embodiment 2 of the present invention;
FIG. 8 is a schematic illustration of an intersection with a wide central median strip according to specific embodiment 3 of the present invention;
FIG. 9 is a schematic diagram of signal passing phases 1 and 2 of embodiment 3 of the present invention;
FIG. 10 is a schematic diagram of signal passing phases 3 and 4 of embodiment 3 of the present invention;
FIG. 11 is a schematic diagram of signal passing phases 5 and 6 of embodiment 3 of the present invention;
fig. 12 is a schematic diagram of signal release phases 7 and 8 of embodiment 3 of the present invention.
Detailed Description
Specific example 1: referring to fig. 1, 2, 3 and 4, in the traffic organization method for an intersection with a wide central isolation zone, the central isolation zone 1 is located in the middle of a road in an east-west direction, an east-side waiting area 3 and a west-side waiting area 4 are arranged in the intersection 2, variable lanes are arranged in the east-side waiting area 3 and the west-side waiting area 4, waiting area signal lamps 12 are respectively arranged in the east-side waiting area 3 and the west-side waiting area 4, variable lane division indication signs (not shown in the figure) are arranged in front of the east-side waiting area 3 and the west-side waiting area 4 and used for guiding variable changes, signal lamps 11 are respectively arranged at an east inlet 7, a west inlet 8, a south inlet 9 and a north inlet 10 of the intersection, and vehicles can pass circularly according to the following phase sequence:
phase 1: when the east import 7 is released, the function of the variable lane of the west waiting area 4 is adjusted to be 'straight-going'; at this time, the vehicle enters the east waiting area 3 for waiting at the south entrance 9, and the variable lane function of the east waiting area 3 is adjusted to "turn left + go straight".
Phase 2: the east import 7 stops releasing, the west waiting area 4 continues releasing, the left-turning vehicle of the east import 7 is ensured to move to the south through the west waiting area 4, the west waiting area 4 is emptied, and the vehicle overflow is avoided; subsequently, the south entry 9 and the east pending zone 3 are cleared.
Phase 3: the signal of the south entrance 9 is adjusted to be red light in advance, vehicles are forbidden to enter the east waiting area 3, the west waiting area 4 stops releasing, and vehicles in the intersection of the south half-width road are emptied; the east waiting area 3 keeps releasing continuously, and the vehicles 3 in the east waiting area are emptied to avoid overflowing;
phase 4: the west entrance 8 starts to release, the east waiting area 3 keeps the release state, and the function of the variable lane is adjusted to be 'straight-going'; the vehicles at the north import 10 enter the west waiting area 4 to wait for passing, and the function of the variable lane of the west waiting area 4 is adjusted to be 'left turn + straight going'.
Phase 5: the west entrance 8 stops releasing, the east waiting area 3 continues releasing, it is guaranteed that a left-turning vehicle at the west entrance 8 travels northwards through the east waiting area 3, the east waiting area 3 is emptied, and the vehicle is prevented from overflowing; subsequently, the north entry 10 and the west pending zone 4 are cleared.
Phase 6: the signal of the north entrance 10 is adjusted to be red light in advance, vehicles are forbidden to enter the west waiting area 4, the east waiting area 3 stops releasing, and vehicles in the north half-width road are emptied; and the west waiting area 4 keeps releasing continuously, and vehicles in the west waiting area 4 are emptied to avoid overflowing.
Meanwhile, each entrance of the intersection 2 is provided with a flow detector (not shown in the figure), and the division of the number of left-turn lanes and straight lanes in the variable lanes is determined according to the traffic flow detected by the flow detectors.
Referring to fig. 2, 3 and 4, the requirements for green and clear signals of six phase signals at the intersection in the present embodiment are as follows:
(1) west waiting area green time t of phase 11The green time t of the west waiting area of the phase 22The sum of the waiting areas can ensure that vehicles in the west waiting area can be emptied, or the queuing length of the west waiting area can be ensured not to overflow the west waiting area;
(2) green time t of east standby row zone of phase 23Green time t of east standby zone with phase 34The vehicle in the east waiting area can be emptied or the queuing length of the east waiting area is ensured not to overflow the east waiting area;
(3) green time t of east standby zone of phase 45Green time t of east standby zone with phase 36The vehicle in the east waiting area can be emptied or the queuing length of the east waiting area is ensured not to overflow the east waiting area;
(4) west waiting area green time t of phase 57The green time t of the west waiting area of the phase 68The sum of the waiting areas can ensure that vehicles in the west waiting area can be emptied, or the queuing length of the west waiting area can be ensured not to overflow the west waiting area;
(5) when the phase is converted to the phase, the interior of the intersection is ensured to be empty, wherein
When the phase 1 is converted into the phase 2, clearing the north half way;
when the phase 3 is converted into the phase 4, clearing the east half way;
when the phase 4 is converted into the phase 5, clearing the south half way;
when the phase 6 is converted into the phase 1, emptying the west half way;
the transition from phase 2 to phase 3 and from phase 5 to phase 6 does not require setting of blanking time;
the emptying time length is determined according to the width of the intersection and the real-time passing speed of the vehicle detected by the detector, the emptying time t = L/v, the width of the intersection is L, and the real-time passing speed of the vehicle detected by the detector is v.
Specific example 2:
referring to fig. 5, 6 and 7, in the traffic organization method for an intersection with a wide central isolation zone, the central isolation zone 1 is located in the middle of roads in the north-south direction, a south waiting area 5 and a north waiting area 6 are arranged in a road intersection 2, variable lanes are arranged in the south waiting area 5 and the north waiting area 6, the south waiting area 5 and the north waiting area 6 are respectively provided with a waiting area signal lamp 5, variable lane-dividing indication signs (not shown) are arranged in front of the south waiting area 5 and the north waiting area 6 and used for guiding the variable lane change, signal lamps 11 are respectively arranged at an east entrance 7, a west entrance 8, a south entrance 9 and a north entrance 10 of the road intersection, and vehicles can pass in a circulating mode according to the following phase sequence:
phase 1: when the south import is in line 9, the north waiting area 6 keeps a release state, and the function of the variable lane is adjusted to be 'straight-going'; at the moment, 8 vehicles from the west enter the south waiting area 5 to pass through, and the variable lane function of the south waiting area 5 is adjusted to be 'left turn + straight going';
phase 2: the south import 9 stops releasing, the north waiting area 6 continues releasing, the left-turning vehicles at the south import 9 are guaranteed to run towards the west through the north waiting area 6, the north waiting area 6 is emptied, and the vehicles are prevented from overflowing; subsequently, the west entrance 8 and the south waiting area 5 are released;
phase 3: the signal of the west entrance 8 is adjusted to a red light in advance, the vehicle is prohibited to enter the south waiting area 5, the north waiting area 6 stops releasing, and the vehicle in the west half intersection is emptied; the south waiting area 5 keeps releasing continuously, and vehicles in the south waiting area 5 are emptied to avoid overflowing;
phase 4: the north import 10 starts to release, the south waiting area 5 keeps the release state, and the lane-changeable function is adjusted to 'straight-going'; the vehicle at the east import 7 enters the north waiting area 6 to wait for passing, and the lane-changeable function of the north waiting area 6 is adjusted to 'left turn + straight going';
phase 5: the north import 10 stops releasing, the south waiting area 5 continues releasing, the left-turning vehicles of the north import 10 are ensured to pass through the south waiting area 5 and move to the east, the south waiting area 5 is emptied, and the vehicles are prevented from overflowing; then, the east import 7 and the north waited area 6 are released;
phase 6: the signal of the east import 7 is adjusted to be red light in advance, the vehicle is forbidden to enter the waiting area 6 at the north side, the waiting area 5 at the south side stops releasing, and the vehicle in the middle of the east side road opening is cleared; the north waiting area 6 keeps releasing continuously, and vehicles in the north waiting area 6 are emptied to avoid overflowing;
each inlet of the road intersection is provided with a flow detector, and the division of the number of left-turn lanes and straight lanes in the variable lanes is determined according to the traffic flow detected by the flow detectors.
The requirements for green and clear six phase signals at a road intersection are as follows:
(1) phase 1 green time t of north standby area1The green time t of the north waiting area of phase 22The vehicle in the north waiting area can be emptied or the queuing length of the north waiting area is ensured not to overflow the north waiting area;
(2) south waiting area green time t of phase 23And the south waiting area green time t of the phase 34The vehicle in the waiting area on the south side can be emptied, or the queuing length of the waiting area on the south side is ensured not to overflow the waiting area on the south side;
(3) south waiting area green light time t of phase 45And the south waiting area green time t of the phase 36In addition, it can ensure that the vehicles in the south waiting area are emptied orEnsuring that the queuing length of the south waiting area does not overflow the south waiting area;
(4) phase 5 green time t of north standby area7And the green time t of the north waiting area of the phase 68The vehicle in the north waiting area can be emptied or the queuing length of the north waiting area is ensured not to overflow the north waiting area;
(5) when the phase is converted to the phase, the interior of the intersection is ensured to be empty,
when the phase 1 is converted into the phase 2, clearing the south half way;
when the phase 3 is converted into the phase 4, emptying the west half way;
when the phase 4 is converted into the phase 5, clearing the north half way;
when the phase 6 is converted into the phase 1, clearing the east half-way;
the transition from phase 2 to phase 3 and from phase 5 to phase 6 does not require setting of blanking time;
the emptying time length is determined according to the width of the intersection and the real-time passing speed of the vehicle detected by the detector, the emptying time t = L/v, the width of the intersection is L, and the real-time passing speed of the vehicle detected by the detector is v.
Specific example 3: referring to fig. 8, 9, 10 and 11, the traffic organization method of the intersection with the wide central isolation zone of the invention comprises that signal lamps are respectively arranged at an east inlet 7, a west inlet 8, a south inlet 9 and a north inlet 10 of a road intersection 1, the central isolation zone is arranged in the middle of roads in east-west direction and south-north direction in the road intersection 1, an east waiting zone 3, a west waiting zone 4, a south waiting zone 5 and a north waiting zone 6 are arranged corresponding to the central isolation zone 2, an isolation zone 13 is arranged between the east waiting zone 3, the west waiting zone 4, the south waiting zone 5 and the north waiting zone 6, variable lanes are arranged in the east waiting zone 3, the west waiting zone 4, the south waiting zone 5 and the north waiting zone 6, the east waiting zone 3, the west waiting zone 4, the south waiting zone 5 and the north waiting zone 6 are respectively provided with waiting zone signal lamps 5, and east waiting zone 3, Variable lane-dividing indication marks (not shown in the figure) are respectively arranged in front of the west waiting area 4, the south waiting area 5 and the north waiting area 6 and used for guiding variable lane change, and vehicles can pass through circularly according to the following phase sequence:
phase 1: the south waiting area 5 stops releasing, the east inlet 7, the north waiting area 6 and the west waiting area 4 release, the variable lane function of the north waiting area 6 is adjusted to 'go straight + turn left', and the variable lane function of the west waiting area 4 is adjusted to 'go straight'; the south import 9 vehicle enters the east waiting area 3 to wait for passing, and then the variable lane function of the east waiting area 3 is adjusted to 'left turn + straight' and then the vehicle enters the east waiting area 3 to wait for passing;
phase 2: the east import 7 stops releasing, the west waiting area 4 continues releasing, the left-turning vehicle of the east import 7 is ensured to move to the south through the west waiting area 4, the west waiting area 4 is emptied, and the vehicle overflow is avoided; subsequently, the south inlet 9, the east waiting area 3 and the north waiting area 6 are released;
phase 3: the west waiting area 4 stops releasing, the south inlet 9, the east waiting area 3 and the north waiting area 6 continue releasing, wherein the function of the changeable lane of the north waiting area 6 is adjusted to 'go straight'; vehicles at the west inlet 8 enter the south waiting area 5 to wait for passing, and the function of the variable lane of the south waiting area 5 is adjusted to be 'left turn + straight going';
phase 4: the south import 9 stops releasing, the north waiting area 6 continues releasing, the left-turning vehicles at the south import 9 are guaranteed to run towards the west through the north waiting area 6, the north waiting area 6 is emptied, and the vehicles are prevented from overflowing; the west inlet 8, the south waiting area 5 and the east waiting area 3 are released;
phase 5: the north waiting area 6 stops releasing, the west entrance 8, the south waiting area 5 and the east waiting area 3 continue releasing, wherein the lane function of the east waiting area 3 is adjusted to be 'straight-going'; the vehicle enters the west waiting area 4 for passing through at the north entrance 10, and the function of the variable lane of the west waiting area 4 is adjusted to be 'left turn + straight going';
phase 6: the west entrance 8 stops releasing, the east waiting area 3 continues releasing, it is guaranteed that a left-turning vehicle at the west entrance 8 travels northwards through the east waiting area 3, the east waiting area 3 is emptied, and the vehicle is prevented from overflowing; the north import 10, the west waiting area 4 and the south waiting area 5 are released;
phase 7: the east waiting area 3 stops releasing, the north entrance 10, the west waiting area 4 and the south waiting area 5 continue releasing, wherein the lane function of the south waiting area 5 is adjusted to 'go straight'; the east import 7 vehicle enters the north waiting area 6 to wait for passing, and the lane function is adjusted to 'left turn + straight going';
phase 8: the north import 10 stops releasing, the south waiting area 5 continues releasing, the left-turning vehicles of the north import 10 are ensured to pass through the south waiting area 5 and move to the east, the south waiting area 5 is emptied, and the vehicles are prevented from overflowing; the east import 7, the north waiting area 6 and the west waiting area 4 are released.
Each inlet of the road intersection is provided with a flow detector, and the division of the number of left-turn lanes and straight lanes in the variable lanes is determined according to the traffic flow detected by the flow detectors.
The method comprises the following steps of determining green light release time in four directions of an intersection by adopting an HCM (hybrid control method), wherein the release time of partial phase signals meets the following conditions:
(1) phase 1 green time t1Green time t of phase 22And green time t of phase 612The sum of the waiting time and the waiting time can ensure that vehicles in the west waiting area can be emptied or the queuing length of the west waiting area can not overflow the west waiting area;
(2) green time t of phase 23Green time t of phase 34And green time t of phase 45In addition, the vehicles in the north waiting area are emptied as far as possible, or the queuing length of the north waiting area is ensured not to overflow the north waiting area;
(3) green time t of phase 46、Green time t of phase 57And green time t of phase 68In addition, vehicles in the east waiting area are emptied as far as possible, or the queuing length of the east waiting area is ensured not to overflow the east waiting area;
(4) green time t of phase 69Green time t of phase 710And green time t of phase 811In addition, vehicles in the south waiting area are emptied as far as possible, or the shortest queuing length of the waiting area is ensured and the vehicles do not overflow into the road junction;
(5) when the phase is switched, the interior of the intersection should be ensured to be empty, the central isolation belt is arranged, so that only the intersection space at the diagonal side needs to be cleaned, when the phase 1 is switched to the phase 2, the phase 3 is switched to the phase 4, the phase 5 is switched to the phase 6, the phase 7 is switched to the phase 8, the phase 2 is switched to the phase 3, the phase 4 is switched to the phase 5, the phase 6 is switched to the phase 7, the phase 8 is switched to the phase 1, the phase 6 is switched to the northwest, the phase 8 is switched to the southwest, the emptying duration can be determined according to the road width of the diagonal and the real-time traffic speed of the vehicle detected by the detector, the emptying time t = L/v, wherein the road width of the diagonal is L, and the real-time traffic speed of the vehicle detected by the detector is.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the central isolated space is used for setting a waiting area, so that the queuing space of the vehicles is increased;
2. through the arrangement of the built-in waiting area, the stop line can move forwards, the distance between the vehicles passing through the intersection is shortened, and the passing time is reduced;
3. the dynamic adjustment of the lane function and the lane number of the to-be-driven area is realized by the traffic flow data detected by the traffic flow detection equipment and the setting of phase passing, so that space resources are more reasonably distributed;
4. the arrangement of the cyclic release and lap joint phase signals is adopted, the traffic conflict between intersections is reduced, yellow light or full red clearing time is not required to be arranged between part of phase transitions, the intersection space is divided into a part of road passing areas and a part of road clearing areas when the other part of phase transitions are in operation, the intersection clearing time and space are effectively compressed, the intersection is always in a continuous vehicle passing state, and the intersection signal release efficiency is effectively improved.

Claims (9)

1.一种具有宽中央隔离带的交叉口的交通组织方法，道路交叉口的东进口、西进口、南进口、北进口分别设有信号灯，其特征在于：在道路交叉口内，对应中央隔离带设有动态可变待行区，所述动态可变待行区内设有可变车道，每个所述动态可变待行区内分别设有待行区信号灯，所述动态可变待行区前方设置可变式分车道指示标志，用于指引可变车道变化，当中央隔离带位于东西方向的道路中间时，道路交叉口内的动态可变待行区对应设置为东侧待行区和西侧待行区，车辆能够按如下相位顺序循环通行：1. a traffic organization method with the intersection of wide central isolation belt, the east entrance, west entrance, south entrance, north entrance of road crossing are respectively provided with signal lights, it is characterized in that: in road crossing, corresponding central isolation belt There is a dynamic variable waiting area, a variable lane is set in the dynamic variable waiting area, and each dynamic variable waiting area is respectively provided with a waiting area signal light, and the dynamic variable waiting area is A variable-lane indicator sign is set in front to guide the change of variable lanes. When the central isolation belt is located in the middle of the road in the east-west direction, the dynamic variable waiting area in the road intersection is correspondingly set to the east waiting area and the west waiting area. In the side waiting area, vehicles can cycle through in the following phase sequence: 相位1：东进口放行时候，西侧待行区的可变车道功能调整为“直行”；此时，南进口车辆进入东侧待行区等待，东侧待行区的可变车道功能调整为“左转+直行”；Phase 1: When the east entrance is released, the variable lane function of the west waiting area is adjusted to "go straight"; at this time, the south entrance vehicle enters the east waiting area and waits, and the variable lane function of the east waiting area is adjusted to "Turn left + go straight"; 相位2：东进口停止放行，西侧待行区继续放行，保证东进口的左转车辆通过西侧待行区向南行驶，清空西侧待行区，避免车辆溢出；随后，南进口和东侧待行区放行；Phase 2: The east entrance is stopped, and the west waiting area continues to be released, so that the left-turning vehicles at the east entrance will go south through the west waiting area, and the west waiting area will be emptied to avoid vehicle overflow; then, the south entrance and east Release in the side waiting area; 相位3：南进口信号提前调整为红灯，禁止车辆进入东侧待行区，西侧待行区停止放行，清空南半幅路的路口内车辆；东侧待行区继续保持放行，清空东侧待行区车辆，避免溢出；Phase 3: The south entrance signal is adjusted to a red light in advance, vehicles are prohibited from entering the waiting area on the east side, the waiting area on the west side is stopped, and the vehicles at the intersection of Nanban Road are cleared; the waiting area on the east side continues to be released, and the east side is cleared. Vehicles in the waiting area to avoid overflow; 相位4：西进口开始放行，东侧待行区保持放行状态，可变车道的功能调整为“直行”；北进口车辆进入西侧待行区等候通行，西侧待行区的可变车道功能调整为“左转+直行”；Phase 4: The west entrance begins to release, the east waiting area remains released, and the function of the variable lane is adjusted to "go straight"; the north entrance vehicle enters the west waiting area and waits for passage, and the variable lane function of the west waiting area Adjusted to "turn left + go straight"; 相位5：西进口停止放行，东侧待行区继续放行，保证西进口的左转车辆通过东侧待行区向北行驶，清空东侧待行区，避免车辆溢出；随后，北进口和西侧待行区放行；Phase 5: Stop the release at the west entrance, and continue to release at the east waiting area to ensure that left-turn vehicles at the west entrance drive northward through the east waiting area, and clear the east waiting area to avoid vehicle overflow; then, the north entrance and west Release in the side waiting area; 相位6：北进口信号提前调整为红灯，禁止车辆进入西侧待行区，东侧待行区停止放行，清空北侧半幅路口内的车辆；西侧待行区继续保持放行，清空西侧待行区车辆，避免溢出。Phase 6: The north entrance signal is adjusted to a red light in advance, vehicles are prohibited from entering the waiting area on the west side, the waiting area on the east side is stopped, and the vehicles in the half-width intersection on the north side are cleared; the waiting area on the west side continues to be released, and the west side is cleared. Vehicles in the waiting area to avoid overflow. 2.根据权利要求1所述的一种具有宽中央隔离带的交叉口的交通组织方法，其特征在于：道路交叉口的每个进口分别设有流量检测器，可变车道中的左转车道和直行车道的数量的划分根据流量检测器检测的交通流量确定。2. The traffic organization method of an intersection with a wide central isolation belt according to claim 1, characterized in that: each entrance of the road intersection is respectively provided with a flow detector, and the left-turn lane in the variable lane and the division of the number of through lanes is determined according to the traffic flow detected by the flow detector. 3.根据权利要求2所述的一种具有宽中央隔离带的交叉口的交通组织方法，其特征在于：道路交叉口的六个相位信号绿灯和清空的要求如下：3. a kind of traffic organization method with the intersection of wide central isolation belt according to claim 2 is characterized in that: the requirement of six phase signal green lights of road intersection and clearing is as follows: （1）相位1的西侧待行区绿灯时间t1与相位2的西侧待行区绿灯时间t2之和，能够确保清空西侧待行区的车辆，或是确保西侧待行区排队长度不溢出西侧待行区；(1) The sum of the green light time t 1 of the west waiting area of phase 1 and the green light time t 2 of the west waiting area of phase 2 can ensure that the vehicles in the west waiting area are cleared, or the west waiting area can be ensured. The queue length does not overflow the waiting area on the west side; （2）相位2的东侧待行区绿灯时间t3与相位3的东侧待行区绿灯时间t4之和，能够确保清空东侧待行区的车辆，或是确保东侧待行区排队长度不溢出东侧待行区；(2) The sum of the green light time t 3 of the eastern waiting area of phase 2 and the green light time t 4 of the eastern waiting area of phase 3 can ensure that the vehicles in the eastern waiting area are cleared, or ensure that the eastern waiting area is cleared. The queue length does not overflow the waiting area on the east side; （3）相位4的东侧待行区绿灯时间t5与相位3的东侧待行区绿灯时间t6之和，能够确保清空东侧待行区的车辆，或是确保东侧待行区排队长度不溢出东侧待行区；(3) The sum of the green light time t 5 of the east waiting area of phase 4 and the green light time t 6 of the east waiting area of phase 3 can ensure that the vehicles in the east waiting area are cleared, or the east waiting area can be ensured The queue length does not overflow the waiting area on the east side; （4）相位5的西侧待行区绿灯时间t7与相位6的西侧待行区绿灯时间t8之和，能够确保清空西侧待行区的车辆，或是确保西侧待行区排队长度不溢出西侧待行区；(4) The sum of the green light time t7 of the west waiting area of phase 5 and the green light time t8 of the west waiting area of phase 6 can ensure that the vehicles in the west waiting area are cleared, or the west waiting area can be ensured. The queue length does not overflow the waiting area on the west side; （5）相位转换至相位时，确保路口内部清空，其中(5) When the phase is converted to phase, make sure that the interior of the junction is clear, among which 相位1转换至相位2时，对北侧的半幅路进行清空处理；When phase 1 is converted to phase 2, the half-width road on the north side is cleared; 相位3转换至相位4时，对东侧的半幅路进行清空处理；When phase 3 is converted to phase 4, the half-width road on the east side is cleared; 相位4转换至相位5时，对南侧的半幅路进行清空处理；When the phase 4 is converted to the phase 5, the half-width road on the south side is cleared; 相位6转换至相位1时，对西侧的半幅路进行清空处理；When phase 6 is converted to phase 1, the half-width path on the west side is cleared; 相位2转换至相位3、相位5转换至相位6无需设置清空时间；There is no need to set the clearing time when switching from phase 2 to phase 3 and from phase 5 to phase 6; 清空时长根据路口宽度以及检测器检测出的车辆实时通行速度进行确定，清空时间t=L/v，其中路口宽度为L，检测器检测出的车辆实时通行速度为v。The clearing time is determined according to the width of the intersection and the real-time passing speed of the vehicle detected by the detector. The clearing time is t=L/v, where the width of the intersection is L, and the real-time passing speed of the vehicle detected by the detector is v. 4.一种具有宽中央隔离带的交叉口的交通组织方法，道路交叉口的东进口、西进口、南进口、北进口分别设有信号灯，其特征在于：在道路交叉口内，对应中央隔离带设有动态可变待行区，所述动态可变待行区内设有可变车道，每个所述动态可变待行区内分别设有待行区信号灯，所述动态可变待行区前方设置可变式分车道指示标志，用于指引可变车道变化，4. a traffic organization method with the intersection of the wide central isolation belt, the east entrance, the west entrance, the south entrance and the north entrance of the road intersection are respectively provided with signal lights, it is characterized in that: in the road intersection, corresponding to the central isolation belt There is a dynamic variable waiting area, a variable lane is set in the dynamic variable waiting area, and each dynamic variable waiting area is respectively provided with a waiting area signal light, and the dynamic variable waiting area is A variable-lane indicator sign is set ahead to guide the change of variable lanes. 当中央隔离带位于南北方向的道路中间时，道路交叉口内的动态可变待行区对应设置为南侧待行区和北侧待行区，车辆能够按如下相位顺序循环通行：When the central isolation belt is located in the middle of the road in the north-south direction, the dynamic variable waiting area in the road intersection is correspondingly set to the south waiting area and the north waiting area, and the vehicles can circulate in the following phase sequence: 相位1：南进口放行时候，北侧待行区保持放行状态，其可变车道的功能调整为“直行”；西进口车辆进入南侧待行区等待通行，南侧待行区的可变车道功能调整为“左转+直行”；Phase 1: When the south entrance is released, the waiting area on the north side remains in the release state, and the function of the variable lane is adjusted to "go straight"; the vehicle entering the west entrance enters the waiting area on the south side and waits for passage, and the variable lane in the waiting area on the south side is adjusted. The function is adjusted to "turn left + go straight"; 相位2：南进口停止放行，北侧待行区继续放行，保证南进口的左转车辆通过北侧待行区向西行驶，清空北侧待行区，避免车辆溢出；随后，西进口和南侧待行区放行；Phase 2: Stop the release at the south entrance, and continue to release at the waiting area on the north side to ensure that left-turn vehicles at the south entrance drive westward through the waiting area on the north side, and clear the waiting area on the north side to prevent vehicles from overflowing; release in the side waiting area; 相位3：西进口信号提前调整为红灯，禁止车辆进入南侧待行区，北侧待行区停止放行，清空西侧半幅路口内的车辆；南侧待行区继续保持放行，清空南侧待行区车辆，避免溢出；Phase 3: The west entrance signal is adjusted to a red light in advance, vehicles are prohibited from entering the waiting area on the south side, the waiting area on the north side is stopped, and the vehicles in the half-width intersection on the west side are cleared; the waiting area on the south side continues to be released, and the south side is cleared Vehicles in the waiting area to avoid overflow; 相位4：北进口开始放行，南侧待行区保持放行状态，可变车道功能调整为“直行”；东进口车辆进入北侧待行区等候通行，北侧待行区的可变车道功能调整为“左转+直行”；Phase 4: The north entrance begins to release, the south waiting area remains released, and the variable lane function is adjusted to "go straight"; the east entrance vehicle enters the north waiting area and waits for passage, and the variable lane function in the north waiting area is adjusted. It is "turn left + go straight"; 相位5：北进口停止放行，南侧待行区继续放行，保证北进口的左转车辆通过南侧待行区向东行驶，清空南侧待行区，避免车辆溢出；东进口和北侧待行区放行；Phase 5: Stop the release at the north entrance, and continue to release at the waiting area on the south side to ensure that left-turn vehicles at the north entrance drive eastward through the waiting area on the south side, and clear the waiting area on the south side to avoid vehicle overflow; the east entrance and the waiting area on the north side line area release; 相位6：东进口信号提前调整为红灯，禁止车辆进入北侧待行区，南侧待行区停止放行，清空东侧半幅路口内的车辆；北侧待行区继续保持放行，清空北侧待行区车辆，避免溢出。Phase 6: The east entrance signal is adjusted to a red light in advance, vehicles are prohibited from entering the waiting area on the north side, the waiting area on the south side is stopped, and vehicles in the half-width intersection on the east side are cleared; the waiting area on the north side continues to be released, and the north side is cleared. Vehicles in the waiting area to avoid overflow. 5.根据权利要求4所述的一种具有宽中央隔离带的交叉口的交通组织方法，其特征在于：道路交叉口的每个进口分别设有流量检测器，可变车道中的左转车道和直行车道的数量的划分根据流量检测器检测的交通流量确定。5. The traffic organization method of an intersection with a wide central isolation belt according to claim 4, characterized in that: each entrance of the road intersection is respectively provided with a flow detector, and the left-turn lane in the variable lane is and the division of the number of through lanes is determined according to the traffic flow detected by the flow detector. 6.根据权利要求5所述的一种具有宽中央隔离带的交叉口的交通组织方法，其特征在于：道路交叉口的六个相位信号绿灯和清空的要求如下：6. a kind of traffic organization method with the intersection of wide central isolation belt according to claim 5, is characterized in that: the requirement of six phase signal green lights of road intersection and clearing is as follows: （1）相位1的北侧待行区绿灯时间t1与相位2的北侧待行区绿灯时间t2之和，能够确保清空北侧待行区的车辆，或是确保北侧待行区排队长度不溢出北侧待行区；(1) The sum of the green light time t1 of the north side waiting area of phase 1 and the green light time t2 of the north side waiting area of phase 2 can ensure that the vehicles in the north side waiting area are cleared, or ensure that the north side waiting area is cleared. The queue length does not overflow the waiting area on the north side; （2）相位2的南侧待行区绿灯时间t3与相位3的南侧待行区绿灯时间t4之和，能够确保清空南侧待行区的车辆，或是确保南侧待行区排队长度不溢出南侧待行区；(2) The sum of the green light time t3 of the south side waiting area of phase 2 and the green light time t4 of the south side waiting area of phase 3 can ensure that the vehicles in the south side waiting area are cleared, or the south side waiting area can be ensured The queue length does not overflow the waiting area on the south side; （3）相位4的南侧待行区绿灯时间t5与相位3的南侧待行区绿灯时间t6之和，能够确保清空南侧待行区的车辆，或是确保南侧待行区排队长度不溢出南侧待行区；(3) The sum of the green light time t 5 of the south waiting area of phase 4 and the green light time t 6 of the south waiting area of phase 3 can ensure that the vehicles in the south waiting area are cleared, or the south waiting area can be ensured The queue length does not overflow the waiting area on the south side; （4）相位5的北侧待行区绿灯时间t7与相位6的北侧待行区绿灯时间t8之和，能够确保清空北侧待行区的车辆，或是确保北侧待行区排队长度不溢出北侧待行区；(4) The sum of the green light time t7 of the north side waiting area of phase 5 and the green light time t8 of the north side waiting area of phase 6 can ensure that the vehicles in the north side waiting area are cleared, or ensure that the north side waiting area is cleared. The queue length does not overflow the waiting area on the north side; （5）相位转换至相位时，确保路口内部清空：(5) When the phase is converted to phase, make sure that the interior of the junction is clear: 相位1转换至相位2时，对南侧的半幅路进行清空处理；When phase 1 is converted to phase 2, the half-width path on the south side is cleared; 相位3转换至相位4时，对西侧的半幅路进行清空处理；When phase 3 is converted to phase 4, the half-width path on the west side is cleared; 相位4转换至相位5时，对北侧的半幅路进行清空处理；When the phase 4 is converted to the phase 5, the half-width road on the north side is cleared; 相位6转换至相位1时，对东侧的半幅路进行清空处理；When the phase 6 is converted to the phase 1, the half-width road on the east side is cleared; 相位2转换至相位3、相位5转换至相位6无需设置清空时间；There is no need to set the clearing time when switching from phase 2 to phase 3 and from phase 5 to phase 6; 清空时长根据路口宽度以及检测器检测出的车辆实时通行速度进行确定，清空时间t=L/v，其中路口宽度为L，检测器检测出的车辆实时通行速度为v。The clearing time is determined according to the width of the intersection and the real-time passing speed of the vehicle detected by the detector. The clearing time is t=L/v, where the width of the intersection is L, and the real-time passing speed of the vehicle detected by the detector is v. 7.一种具有宽中央隔离带的交叉口的交通组织方法，道路交叉口的东进口、西进口、南进口、北进口分别设有信号灯，其特征在于：在道路交叉口内，对应中央隔离带设有动态可变待行区，所述动态可变待行区内设有可变车道，每个所述动态可变待行区内分别设有待行区信号灯，所述动态可变待行区前方设置可变式分车道指示标志，用于指引可变车道变化，当东西方向和南北方向的道路中间都有中央隔离带时，道路交叉口内的动态可变待行区对应设置为东侧待行区、西侧待行区、南侧待行区、北侧待行区，车辆能够按如下相位顺序循环通行：7. A traffic organization method with the intersection of the wide central isolation belt, the east entrance, the west entrance, the south entrance and the north entrance of the road intersection are respectively provided with signal lights, it is characterized in that: in the road intersection, corresponding to the central isolation belt There is a dynamic variable waiting area, a variable lane is set in the dynamic variable waiting area, and each dynamic variable waiting area is respectively provided with a waiting area signal light, and the dynamic variable waiting area is A variable-lane indicator sign is set in front to guide the change of variable lanes. When there is a central separation zone in the middle of the road in the east-west direction and the north-south direction, the dynamic variable waiting area in the road intersection is correspondingly set as the waiting area on the east side. Vehicles can cycle through the following phase sequence: 相位1：南侧待行区停止放行，东进口、北侧待行区、西侧待行区放行，北侧待行区的可变车道功能调整为“直行+左转”，西侧待行区的可变车道功能调整为“直行”；南进口车辆进入东侧待行区等待通行，东侧待行区的可变车道功能调整为“左转+直行”；Phase 1: The waiting area on the south side is stopped and released, the east entrance, the waiting area on the north side, and the waiting area on the west side are released, and the variable lane function of the waiting area on the north side is adjusted to "go straight + left turn", and the west side is waiting. The variable lane function in the area is adjusted to "go straight"; the south entrance vehicle enters the waiting area on the east side and waits for passage, and the variable lane function in the waiting area on the east side is adjusted to "turn left + go straight"; 相位2：东进口停止放行，西侧待行区继续放行，保证东进口的左转车辆通过西侧待行区向南行驶，清空西侧待行区，避免车辆溢出；随后，南进口、东侧待行区和北侧待行区放行；Phase 2: Stop the release at the east entrance, and continue to release at the waiting area on the west side to ensure that the left-turning vehicles at the east entrance drive southward through the waiting area on the west side, and clear the waiting area on the west side to prevent vehicles from overflowing; The side waiting area and the north waiting area are released; 相位3：西侧待行区停止放行，南进口、东侧待行区和北侧待行区继续放行，北侧待行区的可变车道的功能调整为“直行”；西进口的车辆进入南侧待行区等待通行，南侧待行区的可变车道功能调整为“左转+直行”；Phase 3: The west side waiting area stops the release, the south entrance, east side waiting area and north side waiting area continue to release, and the function of the variable lane in the north side waiting area is adjusted to "go straight"; the vehicle entering the west entrance enters The waiting area on the south side is waiting for passage, and the variable lane function of the waiting area on the south side is adjusted to "turn left + go straight"; 相位4：南进口停止放行，北侧待行区继续放行，保证南进口的左转车辆通过北侧待行区向西行驶，清空北侧待行区，避免车辆溢出；随后，西进口、南侧待行区和东侧待行区放行；Phase 4: Stop the release at the south entrance, and continue to release at the waiting area on the north side to ensure that left-turn vehicles at the south entrance drive westward through the waiting area on the north side, and clear the waiting area on the north side to avoid vehicle overflow; then, the west entrance, south The side waiting area and the east waiting area are released; 相位5：北侧待行区停止放行，西进口、南侧待行区和东侧待行区继续放行，其中东侧待行区车道功能调整为“直行”；北进口车辆进入西侧待行区等待通行，西侧待行区的可变车道的功能调整为“左转+直行”；Phase 5: The waiting area on the north side is stopped, and the west entrance, the waiting area on the south side and the waiting area on the east side continue to release, and the lane function of the waiting area on the east side is adjusted to "go straight"; the vehicles entering the north side enter the west side and wait for the road. The function of the variable lane in the waiting area on the west side is adjusted to "turn left + go straight"; 相位6：西进口停止放行，东侧待行区继续放行，保证西进口的左转车辆通过东侧待行区向北行驶，清空东侧待行区，避免车辆溢出；北进口、西侧待行区和南侧待行区放行；Phase 6: Stop the release at the west entrance, and continue to release at the waiting area on the east side to ensure that left-turn vehicles at the west entrance drive northward through the waiting area on the east side, and clear the waiting area on the east side to avoid vehicle overflow; Release from the passing area and the waiting area on the south side; 相位7：东侧待行区停止放行，北进口、西侧待行区和南侧待行区继续放行，其中南侧待行区车道功能调整为“直行”；东进口车辆进入北侧待行区等待通行，其车道功能调整为“左转+直行”；Phase 7: The east side waiting area is stopped, and the north entrance, west side waiting area and south side waiting area continue to release, and the lane function of the south side waiting area is adjusted to "go straight"; the east entrance vehicle enters the north side and waits waiting for passage, its lane function is adjusted to "turn left + go straight"; 相位8：北进口停止放行，南侧待行区继续放行，保证北进口的左转车辆通过南侧待行区向东行驶，清空南侧待行区，避免车辆溢出；东进口、北侧待行区和西侧待行区放行。Phase 8: Stop the release at the north entrance, and continue to release at the waiting area on the south side to ensure that left-turn vehicles at the north entrance drive eastward through the waiting area on the south side, and clear the waiting area on the south side to avoid vehicle overflow; Release area and west side waiting area. 8.根据权利要求7所述的一种具有宽中央隔离带的交叉口的交通组织方法，其特征在于：道路交叉口的每个进口分别设有流量检测器，可变车道中的左转车道和直行车道的数量的划分根据流量检测器检测的交通流量确定。8. The traffic organization method of an intersection with a wide central barrier according to claim 7, characterized in that: each entrance of the road intersection is respectively provided with a flow detector, and the left-turn lane in the variable lane is and the division of the number of through lanes is determined according to the traffic flow detected by the flow detector. 9.根据权利要求8所述的一种具有宽中央隔离带的交叉口的交通组织方法，其特征在于：采用HCM方法确定交叉口四个方向的放行绿灯时间，同时部分相位信号放行时间应满足以下条件：9. a kind of traffic organization method with the intersection of wide central isolation belt according to claim 8, it is characterized in that: adopt HCM method to determine the green light time of four directions of the intersection of intersection, and the release time of partial phase signal should satisfy simultaneously. The following conditions: （1）相位1的绿灯时间t1、相位2的绿灯时间t2和相位8的绿灯时间t12之和，能够确保清空西侧待行区的车辆，或是保证西侧待行区排队长度不溢出西侧待行区；(1) The sum of the green light time t 1 of phase 1, the green light time t 2 of phase 2 and the green light time t 12 of phase 8 can ensure that the vehicles in the waiting area on the west side are cleared, or the queue length in the waiting area on the west side can be guaranteed. Do not overflow the waiting area on the west side; （2）相位2的绿灯时间t3、相位3的绿灯时间t4和相位4的绿灯时间t5之和，应尽可能保证清空北侧待行区的车辆，或是保证北侧待行区排队长度不溢出北侧待行区；(2) The sum of the green light time t 3 of phase 2, the green light time t 4 of phase 3 and the green light time t 5 of phase 4 should ensure that the vehicles in the waiting area on the north side are cleared as much as possible, or ensure that the waiting area on the north side is cleared. The queue length does not overflow the waiting area on the north side; （3）相位4的绿灯时间t6、相位5的绿灯时间t7和相位6的绿灯时间t8之和，应尽可能保证清空东侧待行区的车辆，或是保证东侧待行区排队长度不溢出东侧待行区；(3) The sum of the green light time t 6 of phase 4, the green light time t 7 of phase 5 and the green light time t 8 of phase 6 should ensure that the vehicles in the waiting area on the east side are cleared as much as possible, or ensure that the waiting area on the east side is cleared. The queue length does not overflow the waiting area on the east side; （4）相位6的绿灯时间t9、相位7的绿灯时间t10和相位8的绿灯时间t11之和，应尽可能保证清空南侧待行区的车辆，或是保证待行区排队长度最短，不溢出至路口内；(4) The sum of the green light time t 9 of phase 6, the green light time t 10 of phase 7 and the green light time t 11 of phase 8 should ensure that the vehicles in the waiting area on the south side are cleared as much as possible, or the queue length in the waiting area should be guaranteed. The shortest, does not overflow into the intersection; （5）相位转换时，应保证路口内部清空，中央隔离带的设置使得只需对斜对角侧的路口空间进行清理，相位1转换至相位2时在东北角，相位3转换至相位4在东南角，相位5转换至相位6在西南角，相位7转换至相位8在西北角，相位2转换至相位3在西南角，相位4转换至相位5在西北角，相位6至相位7在东北角，相位8至相位1在东南角，清空时长可根据斜对角的道路宽度以及检测器检测出的车辆实时通行速度进行确定，清空时间t=L/v，其中斜对角的道路宽度为L，检测器检测出的车辆实时通行速度为v。(5) When the phase is switched, it should be ensured that the interior of the intersection is cleared. The setting of the central isolation belt makes it only necessary to clear the intersection space on the diagonal side. When phase 1 is switched to phase 2, it is at the northeast corner, and when phase 3 is switched to phase 4, it is at the northeast corner. Southeast corner, phase 5 to phase 6 in southwest corner, phase 7 to phase 8 in northwest corner, phase 2 to phase 3 in southwest corner, phase 4 to phase 5 in northwest corner, phase 6 to phase 7 in northeast corner Angle, phase 8 to phase 1 are in the southeast corner, the clearing time can be determined according to the diagonal road width and the real-time traffic speed of the vehicle detected by the detector, the clearing time t=L/v, where the diagonal road width is L, the real-time traffic speed of the vehicle detected by the detector is v.
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Publication number Priority date Publication date Assignee Title
CN111369784A (en) * 2018-12-25 2020-07-03 北京嘀嘀无限科技发展有限公司 Method and device for controlling traffic flow of lane
CN110364002B (en) * 2019-05-22 2020-09-11 江苏科创车联网产业研究院有限公司 Vehicle three-level guidance control method and system in road traffic network
CN113112797B (en) * 2021-04-09 2022-01-07 交通运输部公路科学研究所 Signal light intersection scheduling method and system based on vehicle-road coordination technology
CN113763724A (en) * 2021-09-28 2021-12-07 江苏广宇科技产业发展有限公司 Counterclockwise releasing method for combined lane borrowing left turn and lap joint phase
CN115482678B (en) * 2022-08-25 2023-09-26 东南大学 A time-sharing lane change and signal control method for left turns on two-way one-way lanes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392398A (en) * 2011-08-08 2012-03-28 上海市城市建设设计研究院 Double stop left turn lane structure
CN103382695A (en) * 2012-05-03 2013-11-06 上海济安交通工程咨询有限公司 Variable-expansion intersection lane
CN105070080A (en) * 2015-07-22 2015-11-18 西安工程大学 Plane road intersection dispersion system without left turn conflict
CN106781550A (en) * 2017-02-22 2017-05-31 武汉理工大学 The urban road intersection for being provided with comprehensive Dai Hang areas turns around device and its control method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101256716A (en) * 2008-04-11 2008-09-03 张南 Road grade crossing non-conflict traffic mode arrangement and control method
US9881499B1 (en) * 2017-03-02 2018-01-30 Robert C. Tom Traffic light devices and methods of use
CN108806288B (en) * 2018-07-16 2020-09-08 北方工业大学 A method and device for adaptive control of urban road intersection based on single video

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392398A (en) * 2011-08-08 2012-03-28 上海市城市建设设计研究院 Double stop left turn lane structure
CN103382695A (en) * 2012-05-03 2013-11-06 上海济安交通工程咨询有限公司 Variable-expansion intersection lane
CN105070080A (en) * 2015-07-22 2015-11-18 西安工程大学 Plane road intersection dispersion system without left turn conflict
CN106781550A (en) * 2017-02-22 2017-05-31 武汉理工大学 The urban road intersection for being provided with comprehensive Dai Hang areas turns around device and its control method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《信号控制交叉口左转车道待行区设置研究》;丁威;《西安建筑科技大学学报（自然科学版）》;20070831;第39卷(第4期);第580-583页、第592页 *

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