CN108961786A - A kind of traffic organization method of the intersection with wide central partition - Google Patents
A kind of traffic organization method of the intersection with wide central partition Download PDFInfo
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- CN108961786A CN108961786A CN201810855642.8A CN201810855642A CN108961786A CN 108961786 A CN108961786 A CN 108961786A CN 201810855642 A CN201810855642 A CN 201810855642A CN 108961786 A CN108961786 A CN 108961786A
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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
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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
- G08G1/081—Plural intersections under common control
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- 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
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- 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
The present invention provides a kind of traffic organization methods of intersection with wide central partition, it waits for row area using the space setting dynamically changeable that there is the intersection generated because of central partition, central partition is corresponded in intersection waits for row area equipped with dynamically changeable, the dynamically changeable waits for being equipped with changeable driveway in row area, each dynamically changeable waits for being respectively equipped in row area to row area signal lamp, dynamically changeable waits for that type variable divided lane Warning Mark is arranged in front of row area, for guiding changeable driveway to change, when central partition is located among the road of east-west direction, dynamically changeable in intersection waits for that row area is correspondingly arranged and waits for that row area and west side wait for row area for east side, vehicle is recycled by setting phase sequence and is passed through, it is arranged by reasonable phase, it has compressed crossing and empties the time, improve crossing clearance efficiency, pass through space and time optimization, from And realize in the unit time through the target of more magnitudes of traffic flow, vehicle spilling is avoided, traffic efficiency is improved.
Description
Technical field
The present invention relates to Urban Road Traffic Organization fields, and in particular to a kind of intersection with wide central partition
Traffic organization method.
Background technique
In urban transportation, the traffic capacity size of intersection directly affects and restricts the current effect of entire road network
Rate becomes the bottleneck of urban transportation, and how to improve the traffic efficiency at crossing is the effective means for solving traffic problems.
Currently, in many cities, due to road widening, large-scale road construction, elevated bridge construction and natural river
The reasons such as barrier form the large-scale intersection of wide center isolation in city.This intersection is since crossing space is excessive, no
Being convenient for traffic organization becomes the difficult point of traffic.The organizational form of existing intersection is mainly: (1) being to split intersection
Signal control is carried out for two small-sized intersections, but often there is peak period since flow is excessive, improper, peak is coordinated at crossing
Phase crossing vehicle easily overflows；(2) Signalized control is carried out in the way of conventional intersection, but since crossing space is excessive,
Vehicle pass-through apart from it is too long, empty overlong time, traffic efficiency is not high, is even more easy to happen due to emptying not in time and draws
Send out traffic accident.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of traffic organization method of intersection with wide central partition,
It waits for row area using the space setting dynamically changeable that there is the intersection generated because of central partition, utilizes to greatest extent
The space resources of intersection, and be arranged by reasonable phase, it has compressed crossing and empties the time, improve crossing clearance efficiency,
By space and time optimization, to realize the target in the unit time by more magnitudes of traffic flow, vehicle spilling is avoided, is improved logical
Line efficiency.
Its technical solution is such that a kind of traffic organization method of intersection with wide central partition, and road is handed over
The eastern import of prong, western import, southing mouth, northing mouth are respectively equipped with signal lamp, it is characterised in that: right in intersection
It answers central partition to be equipped with dynamically changeable and waits for row area, the dynamically changeable waits for being equipped with changeable driveway, each dynamic in row area
It can be changed to be respectively equipped in row area to row area signal lamp, the dynamically changeable waits for that type variable divided lane indicateing arm is arranged in front of row area
Will, it is dynamic in intersection when central partition is located among the road of east-west direction for guiding changeable driveway to change
Variable be correspondingly arranged to row area of state waits for that row area and west side wait for row area for east side, and vehicle can be recycled by following phase sequence and be passed through:
Phase 1: when eastern import is let pass, west side waits for that the changeable driveway function in row area is adjusted to " to keep straight on "；At this point, southern imported vehicle
Wait for that row area waits into east side, east side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip ".
Phase 2: eastern import stops letting pass, and west side waits for that row area continues to let pass, and guarantees that the left turning vehicle of eastern import passes through west side
It is travelled southwards to row area, empties west side and wait for row area, vehicle is avoided to overflow；Then, southing mouth and east side wait for that row area lets pass.
Phase 3: southern incoming signal is adjusted to red light in advance, forbids vehicle to enter east side and waits for that row area, west side wait for that row area stops
It lets pass, empties vehicle in the crossing of Nan Banfulu；East side waits for that row area continues to keep letting pass, and empties east side and waits for row area vehicle, avoids
It overflows；
Phase 4: western import starts to let pass, and east side waits for that row area keeps release status, and the function of changeable driveway is adjusted to " to keep straight on "；North
Imported vehicle enters west side and waits for that the waiting of row area is passed through, and west side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip ".
Phase 5: western import stops letting pass, and east side waits for that row area continues to let pass, guarantees that the left turning vehicle of western import passes through east side
It is northwards travelled to row area, empties east side and wait for row area, vehicle is avoided to overflow；Then, northing mouth and west side wait for that row area lets pass.
Phase 6: northern incoming signal is adjusted to red light in advance, forbids vehicle to enter west side and waits for that row area, east side wait for that row area stops
It lets pass, empties the vehicle in the half range crossing of north side；West side waits for that row area continues to keep letting pass, and empties west side and waits for row area vehicle, avoids
It overflows.
Further, each import of intersection is respectively equipped with flow detector, the left turn lane in changeable driveway
Division with the quantity of Through Lane is determined according to the magnitude of traffic flow that flow detector detects.
Six phase signal green lights of intersection and the requirement emptied are as follows:
(1) row area green time t is waited in the west side of phase 11Row area green time t is waited for the west side of phase 22The sum of, it can be ensured that
It empties west side and waits for the vehicle in row area, or ensure that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(2) row area green time t is waited in the east side of phase 23Row area green time t is waited for the east side of phase 34The sum of, it can be ensured that
It empties east side and waits for the vehicle in row area, or ensure that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(3) row area green time t is waited in the east side of phase 45Row area green time t is waited for the east side of phase 36The sum of, it can be ensured that
It empties east side and waits for the vehicle in row area, or ensure that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(4) row area green time t is waited in the west side of phase 57Row area green time t is waited for the west side of phase 68The sum of, it can be ensured that
It empties west side and waits for the vehicle in row area, or ensure that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(5) when phase transition to phase, it is ensured that it is emptied inside crossing, wherein
When the conversion of phase 1 to phase 2, the half range road of north side is carried out emptying processing；
When the conversion of phase 3 to phase 4, the half range road in east side is carried out emptying processing；
When the conversion of phase 4 to phase 5, the half range road in southern side is carried out emptying processing；
When the conversion of phase 6 to phase 1, the half range road in west side is carried out emptying processing；
To phase 6, no setting is required empties the time to phase 3, the conversion of phase 5 for the conversion of phase 2；
The real-time passage speed of vehicle that duration is detected according to crossing width and detector is emptied to be determined, empty time t=
L/v, wherein crossing width is L, and the real-time passage speed of the vehicle that detector detects is v.
A kind of traffic organization method of the intersection with wide central partition, the eastern import of intersection, western import,
Southing mouth, northing mouth are respectively equipped with signal lamp, it is characterised in that: in intersection, corresponding central partition is equipped with dynamic
It can be changed to row area, the dynamically changeable waits for being equipped with changeable driveway in row area, and each dynamically changeable waits for being respectively equipped in row area
To row area signal lamp, the dynamically changeable waits for that type variable divided lane Warning Mark is arranged in front of row area, for guiding changeable driveway
Variation,
When central partition is located among the road of North and South direction, the dynamically changeable in intersection waits for that row area is correspondingly arranged
Wait for that row area and north side wait for row area for north side, vehicle can be recycled by following phase sequence and be passed through:
Phase 1: when southing mouth is let pass, north side waits for that row area keeps release status, and the function of changeable driveway is adjusted to " to keep straight on "；
Western imported vehicle enters southern side and waits for that row area waits passage, and southern side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 2: southing mouth stops letting pass, and north side waits for that row area continues to let pass, and guarantees that the left turning vehicle of southing mouth waits going by north side
Area westwards travels, and empties north side and waits for row area, vehicle is avoided to overflow；Then, western import and southern side wait for that row area lets pass；
Phase 3: western incoming signal is adjusted to red light in advance, forbids vehicle to enter southern side and waits for that row area, north side wait for that row area stops letting pass,
Empty the vehicle in the half range crossing of west side；Southern side waits for that row area continues to keep letting pass, and empties southern side and waits for row area vehicle, avoids overflowing；
Phase 4: northing mouth starts to let pass, and southern side waits for that row area keeps release status, and changeable driveway function is adjusted to " to keep straight on "；East into
Mouth vehicle enters north side and waits for that the waiting of row area is passed through, and north side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 5: northing mouth stops letting pass, and southern side waits for that row area continues to let pass, and guarantees that the left turning vehicle of northing mouth waits going by southern side
Area travels eastwards, empties southern side and waits for row area, vehicle is avoided to overflow；Eastern import and north side wait for that row area lets pass；
Phase 6: eastern incoming signal is adjusted to red light in advance, forbids vehicle to enter north side and waits for that row area, southern side wait for that row area stops letting pass,
Empty the vehicle in the half range crossing of east side；North side waits for that row area continues to keep letting pass, and empties north side and waits for row area vehicle, avoids overflowing.
Further, each import of intersection is respectively equipped with flow detector, the left turn lane in changeable driveway
Division with the quantity of Through Lane is determined according to the magnitude of traffic flow that flow detector detects.
Six phase signal green lights of intersection and the requirement emptied are as follows:
(1) row area green time t is waited in the north side of phase 11Row area green time t is waited for the north side of phase 22The sum of, it can be ensured that
It empties north side and waits for the vehicle in row area, or ensure that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(2) row area green time t is waited in the southern side of phase 23Row area green time t is waited for the southern side of phase 34The sum of, it can be ensured that
It empties southern side and waits for the vehicle in row area, or ensure that southern side waits for that the queue length of row area does not spill over southern side and waits for row area；
(3) row area green time t is waited in the southern side of phase 45Row area green time t is waited for the southern side of phase 36The sum of, it can be ensured that
It empties southern side and waits for the vehicle in row area, or ensure that southern side waits for that the queue length of row area does not spill over southern side and waits for row area；
(4) row area green time t is waited in the north side of phase 57Row area green time t is waited for the north side of phase 68The sum of, it can be ensured that
It empties north side and waits for the vehicle in row area, or ensure that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(5) when phase transition to phase, it is ensured that emptied inside crossing:
When the conversion of phase 1 to phase 2, the half range road in southern side is carried out emptying processing；
When the conversion of phase 3 to phase 4, the half range road in west side is carried out emptying processing；
When the conversion of phase 4 to phase 5, the half range road of north side is carried out emptying processing；
When the conversion of phase 6 to phase 1, the half range road in east side is carried out emptying processing；
To phase 6, no setting is required empties the time to phase 3, the conversion of phase 5 for the conversion of phase 2；
The real-time passage speed of vehicle that duration is detected according to crossing width and detector is emptied to be determined, empty time t=
L/v, wherein crossing width is L, and the real-time passage speed of the vehicle that detector detects is v.
A kind of traffic organization method of the intersection with wide central partition, the eastern import of intersection, western import,
Southing mouth, northing mouth are respectively equipped with signal lamp, it is characterised in that: in intersection, corresponding central partition is equipped with dynamic
It can be changed to row area, the dynamically changeable waits for being equipped with changeable driveway in row area, and each dynamically changeable waits for being respectively equipped in row area
To row area signal lamp, the dynamically changeable waits for that type variable divided lane Warning Mark is arranged in front of row area, for guiding changeable driveway
Variation, when having central partition among east-west direction and the road of North and South direction, the dynamically changeable in intersection is waited for
Row area, which is correspondingly arranged, waits for that row area, west side wait for that row area, southern side wait for that row area, north side wait for row area for east side, and vehicle can be by following phase
Sequence circulation is passed through:
Phase 1: southern side waits for that row area stops letting pass, and eastern import, north side wait for that row area, west side wait for that row area lets pass, and what row area was waited in north side can
Become lane function to be adjusted to " straight trip+left-hand rotation ", west side waits for that the changeable driveway function in row area is adjusted to " to keep straight on "；Southern imported vehicle into
Enter east side and wait for that row area waits passage, east side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 2: eastern import stops letting pass, and west side waits for that row area continues to let pass, and guarantees that the left turning vehicle of eastern import waits going by west side
Area travels southwards, empties west side and waits for row area, vehicle is avoided to overflow；Then, southing mouth, east side wait for that row area and north side wait for that row area is put
Row；
Phase 3: west side waits for that row area stops letting pass, and southing mouth, east side wait for that row area and north side wait for that row area continues to let pass, and row area is waited in north side
The function of changeable driveway be adjusted to " to keep straight on "；The vehicle of western import enters southern side and waits for that row area waits passage, and row area is waited in southern side
Changeable driveway function is adjusted to " left-hand rotation+straight trip "；
Phase 4: southing mouth stops letting pass, and north side waits for that row area continues to let pass, and guarantees that the left turning vehicle of southing mouth waits going by north side
Area westwards travels, and empties north side and waits for row area, vehicle is avoided to overflow；Western import, southern side wait for that row area and east side wait for that row area lets pass；
Phase 5: north side waits for that row area stops letting pass, and western import, southern side wait for that row area and east side wait for that row area continues to let pass, and wherein east side is waited for
Row area lane function is adjusted to " to keep straight on "；Northern imported vehicle enters west side and waits for that row area waits passage, and the variable vehicle in row area is waited in west side
The function in road is adjusted to " left-hand rotation+straight trip "；
Phase 6: western import stops letting pass, and east side waits for that row area continues to let pass, guarantees that the left turning vehicle of western import waits going by east side
Area northwards travels, and empties east side and waits for row area, vehicle is avoided to overflow；Northing mouth, west side wait for that row area and southern side wait for that row area lets pass；
Phase 7: east side waits for that row area stops letting pass, and northing mouth, west side wait for that row area and southern side wait for that row area continues to let pass, and wherein southern side is waited for
Row area lane function is adjusted to " to keep straight on "；Eastern imported vehicle enters north side and waits for that row area waits passage, and lane function is adjusted to " left
Turn+straight trip "；
Phase 8: northing mouth stops letting pass, and southern side waits for that row area continues to let pass, and guarantees that the left turning vehicle of northing mouth waits going by southern side
Area travels eastwards, empties southern side and waits for row area, vehicle is avoided to overflow；Eastern import, north side wait for that row area and west side wait for that row area lets pass.
Further, each import of intersection is respectively equipped with flow detector, the left turn lane in changeable driveway
Division with the quantity of Through Lane is determined according to the magnitude of traffic flow that flow detector detects.
Further, the clearance green time of intersection four direction, while fractional phase signal are determined using HCM method
The clearance time should meet the following conditions:
(1) the green time t of phase 11, phase 2 green time t2With the green time t of phase 612The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty west side, or guarantees that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(2) the green time t of phase 23, phase 3 green time t4With the green time t of phase 45The sum of, it should guarantee as far as possible
It empties north side and waits for the vehicle in row area, or guarantee that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(3) the green time t of phase 46、The green time t of phase 57With the green time t of phase 68The sum of, it should guarantee as far as possible
It empties east side and waits for the vehicle in row area, or guarantee that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(4) the green time t of phase 69, phase 7 green time t10With the green time t of phase 811The sum of, it should protect as far as possible
It demonstrate,proves and empties the vehicle that row area is waited in southern side, or guarantee is most short to the queue length of row area, does not spill over to crossing；
(5) when phase transition, it should ensure that and emptied inside crossing, central partition is arranged so that only need to be to the crossing of diagonally opposing corner side
Space is cleared up, and in northeast corner when the conversion of phase 1 is to phase 2, the conversion of phase 3 to phase 4 is converted extremely in southeast corner, phase 5
Phase 6 is in southwest corner, and the conversion of phase 7 to phase 8 is in northwest corner, and the conversion of phase 2 to phase 3 is in southwest corner, the conversion of phase 4 to phase
Position 5 is in northwest corner, and phase 6 to phase 7 is in northeast corner, and for phase 8 to phase 1 in southeast corner, emptying duration can be according to diagonally opposing corner
The real-time passage speed of the vehicle that road width and detector detect is determined, empty time t=L/v, wherein diagonally opposing corner
Road width is L, and the real-time passage speed of the vehicle that detector detects is v.
The present invention compared with the existing technology, has the following advantages and beneficial effects:
1, row area is waited for using the space setting dynamically changeable of center isolation, increase the buffer of vehicle；
2, by the variable setting to row area of built-in dynamic, can by Forward stop line, shorten vehicle by between crossing
Away from reducing transit time；
3, the traffic flow data detected by flow detector, and the setting for combining phase to let pass, realize the vehicle for treating row area
Road function and number of track-lines carry out dynamic adjustment, more reasonable allocation space resource；
4, it is let pass using circulation, the setting of lapping phases signal, reduces the traffic conflict between crossing, a part of phase transition
Between do not need setting amber light or it is complete it is red empty the time, another part phase is divided into " part at runtime, by crossing space
Road area, part road keep-out region ", is effectively compressed crossing and empties time and space, so that crossing is in vehicle always continuous
Prevailing state effectively improves crossing signals clearance efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of the intersection with wide central partition of specific embodiments of the present invention 1；
Fig. 2 is the signal clearance phase 1 of specific embodiments of the present invention 1 and the schematic diagram of phase 2；
Fig. 3 is the signal clearance phase 3 of specific embodiments of the present invention 1 and the schematic diagram of phase 4；
Fig. 4 is the signal clearance phase 5 of specific embodiments of the present invention 1 and the schematic diagram of phase 6；
Fig. 5 is the signal clearance phase 1 of specific embodiments of the present invention 2 and the schematic diagram of phase 2；
Fig. 6 is the signal clearance phase 3 of specific embodiments of the present invention 2 and the schematic diagram of phase 4；
Fig. 7 is the signal clearance phase 5 of specific embodiments of the present invention 2 and the schematic diagram of phase 6；
Fig. 8 is the schematic diagram of the intersection with wide central partition of specific embodiments of the present invention 3；
Fig. 9 is the signal clearance phase 1 of specific embodiments of the present invention 3 and the schematic diagram of phase 2；
Figure 10 is the signal clearance phase 3 of specific embodiments of the present invention 3 and the schematic diagram of phase 4；
Figure 11 is the signal clearance phase 5 of specific embodiments of the present invention 3 and the schematic diagram of phase 6；
Figure 12 is the signal clearance phase 7 of specific embodiments of the present invention 3 and the schematic diagram of phase 8.
Specific embodiment
Specific embodiment 1: being shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of intersection with wide central partition of the invention
Traffic organization method, central partition 1 is located among the road of east-west direction, and in intersection 2, row area is waited in setting east side
3 and west side wait for row area 4, east side waits for that row area 3 and west side wait for being equipped with changeable driveway in row area 4, and east side waits for that row area 3 and west side wait for row area
4 are respectively equipped with to row area signal lamp 12, and east side waits for that row area 3 and west side wait for that type variable divided lane Warning Mark is arranged in front of row area 4
(not provided in figure), for guiding changeable driveway to change, the eastern import 7 of intersection, western import 8, southing mouth 9, northing mouth
10 are respectively equipped with signal lamp 11, and vehicle can be recycled by following phase sequence and be passed through:
Phase 1: when eastern import 7 is let pass, west side waits for that the changeable driveway function in row area 4 is adjusted to " to keep straight on "；At this point, southing mouth 9
Vehicle enters east side and waits for that row area 3 waits, and east side waits for that the changeable driveway function in row area 3 is adjusted to " left-hand rotation+straight trip ".
Phase 2: eastern import 7 stops letting pass, and west side waits for that row area 4 continues to let pass, and guarantees that the left turning vehicle of eastern import 7 passes through west
The area Ce Daihang 4 travels southwards, empties west side and waits for row area 4, vehicle is avoided to overflow；Then, southing mouth 9 and east side wait for that row area 3 lets pass.
Phase 3: 9 signal of southing mouth is adjusted to red light in advance, forbids vehicle to enter east side and waits for that row area 3, west side wait for that row area 4 stops
It only lets pass, empties vehicle in the crossing of Nan Banfulu；East side waits for that row area 3 continues to keep letting pass, and empties east side and waits for row area vehicle 3,
It avoids overflowing；
Phase 4: western import 8 starts to let pass, and east side waits for that row area 3 keeps release status, and the function of changeable driveway is adjusted to " to keep straight on "；
10 vehicle of northing mouth enters west side and waits for that the waiting of row area 4 is passed through, and west side waits for that the changeable driveway function in row area 4 is adjusted to " left-hand rotation+straight
Row ".
Phase 5: western import 8 stops letting pass, and east side waits for that row area 3 continues to let pass, guarantees that the left turning vehicle of western import 8 passes through east
The area Ce Daihang 3 northwards travels, and empties east side and waits for row area 3, vehicle is avoided to overflow；Then, northing mouth 10 and west side wait for that row area 4 is put
Row.
Phase 6: 10 signal of northing mouth is adjusted to red light in advance, forbids vehicle to enter west side and waits for that row area 4, east side wait for row area 3
Stop letting pass, empties the vehicle in the half range crossing of north side；West side waits for that row area 4 continues to keep letting pass, and empties west side and waits for 4 vehicle of row area
, it avoids overflowing.
Meanwhile each import of intersection 2 is respectively equipped with flow detector (not providing in figure), in changeable driveway
The division of the quantity of left turn lane and Through Lane is determined according to the magnitude of traffic flow that flow detector detects.
See Fig. 2, Fig. 3, Fig. 4, six phase signal green lights of the intersection in the present embodiment and the requirement emptied are such as
Under:
(1) row area green time t is waited in the west side of phase 11Row area green time t is waited for the west side of phase 22The sum of, it can be ensured that
It empties west side and waits for the vehicle in row area, or ensure that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(2) row area green time t is waited in the east side of phase 23Row area green time t is waited for the east side of phase 34The sum of, it can be ensured that
It empties east side and waits for the vehicle in row area, or ensure that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(3) row area green time t is waited in the east side of phase 45Row area green time t is waited for the east side of phase 36The sum of, it can be ensured that
It empties east side and waits for the vehicle in row area, or ensure that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(4) row area green time t is waited in the west side of phase 57Row area green time t is waited for the west side of phase 68The sum of, it can be ensured that
It empties west side and waits for the vehicle in row area, or ensure that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(5) when phase transition to phase, it is ensured that it is emptied inside crossing, wherein
When the conversion of phase 1 to phase 2, the half range road of north side is carried out emptying processing；
When the conversion of phase 3 to phase 4, the half range road in east side is carried out emptying processing；
When the conversion of phase 4 to phase 5, the half range road in southern side is carried out emptying processing；
When the conversion of phase 6 to phase 1, the half range road in west side is carried out emptying processing；
To phase 6, no setting is required empties the time to phase 3, the conversion of phase 5 for the conversion of phase 2；
The real-time passage speed of vehicle that duration is detected according to crossing width and detector is emptied to be determined, empty time t=
L/v, wherein crossing width is L, and the real-time passage speed of the vehicle that detector detects is v.
Specific embodiment 2:
See Fig. 5, Fig. 6, Fig. 7, a kind of traffic organization method of intersection with wide central partition of the invention, center isolation
It is located among the road of North and South direction with 1, in intersection 2, setting southern side waits for that row area 5 and north side wait for row area 6, and southern side is waited for
Row area 5 and north side wait for being equipped with changeable driveway in row area 6, and southern side waits for that row area 5 and north side wait for that row area 6 is respectively equipped with to row area signal lamp
5, southern side waits for that row area 5 and north side wait for that type variable divided lane Warning Mark (not providing in figure) is arranged in front of row area 6, can for guiding
Become lane variation, the eastern import 7 of intersection, western import 8, southing mouth 9, northing mouth 10 are respectively equipped with signal lamp 11, vehicle
It can recycle and pass through by following phase sequence:
Phase 1: when southing 9 row of mouth, north side waits for that row area 6 keeps release status, and the function of changeable driveway is adjusted to " to keep straight on "；This
When, western import 8 are waited for row area 5 wait pass through into southern side, and southern side waits for that 5 changeable driveway function of row area is adjusted to " left-hand rotation+straight trip "；
Phase 2: southing mouth 9 stops letting pass, and north side waits for that 6th area of row continues to let pass, and guarantees that the left turning vehicle of southing mouth 9 is waited for by north side
Row area 6 westwards travels, and empties north side and waits for row area 6, vehicle is avoided to overflow；Then, western import 8 and southern side wait for that row area 5 lets pass；
Phase 3: western 8 signal of import is adjusted to red light in advance, forbids vehicle to enter southern side and waits for that row area 5, north side wait for that row area 6 stops putting
Row, empties the vehicle in the half range crossing of west side；Southern side waits for that row area 5 continues to keep letting pass, and empties southern side and waits for 5 vehicle of row area, avoids
It overflows；
Phase 4: northing mouth 10 starts to let pass, and southern side waits for that row area 5 keeps release status, and changeable driveway function is adjusted to " to keep straight on "；
Eastern 7 vehicle of import enters north side and waits for that the waiting of row area 6 is passed through, and north side waits for that the changeable driveway function in row area 6 is adjusted to " left-hand rotation+straight
Row "；
Phase 5: northing mouth 10 stops letting pass, and southern side waits for that row area 5 continues to let pass, and guarantees that the left turning vehicle of northing mouth 10 passes through southern side
It is travelled eastwards to row area 5, empties southern side and wait for row area 5, vehicle is avoided to overflow；Then, eastern import 7 and north side wait for that row area 6 lets pass；
Phase 6: eastern 7 signal of import is adjusted to red light in advance, forbids vehicle to enter north side and waits for that row area 6, southern side wait for that row area 5 stops putting
Row, empties the vehicle in the half range crossing of east side；North side waits for that row area 6 continues to keep letting pass, and empties north side and waits for 6 vehicle of row area, avoids
It overflows；
Each import of intersection is respectively equipped with flow detector, the number of left turn lane and Through Lane in changeable driveway
The division of amount is determined according to the magnitude of traffic flow that flow detector detects.
Six phase signal green lights of intersection and the requirement emptied are as follows:
(1) row area green time t is waited in the north side of phase 11Row area green time t is waited for the north side of phase 22The sum of, it can be ensured that
It empties north side and waits for the vehicle in row area, or ensure that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(2) row area green time t is waited in the southern side of phase 23Row area green time t is waited for the southern side of phase 34The sum of, it can be ensured that
It empties southern side and waits for the vehicle in row area, or ensure that southern side waits for that the queue length of row area does not spill over southern side and waits for row area；
(3) row area green time t is waited in the southern side of phase 45Row area green time t is waited for the southern side of phase 36The sum of, it can be ensured that
It empties southern side and waits for the vehicle in row area, or ensure that southern side waits for that the queue length of row area does not spill over southern side and waits for row area；
(4) row area green time t is waited in the north side of phase 57Row area green time t is waited for the north side of phase 68The sum of, it can be ensured that
It empties north side and waits for the vehicle in row area, or ensure that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(5) when phase transition to phase, it is ensured that it is emptied inside crossing,
When the conversion of phase 1 to phase 2, the half range road in southern side is carried out emptying processing；
When the conversion of phase 3 to phase 4, the half range road in west side is carried out emptying processing；
When the conversion of phase 4 to phase 5, the half range road of north side is carried out emptying processing；
When the conversion of phase 6 to phase 1, the half range road in east side is carried out emptying processing；
To phase 6, no setting is required empties the time to phase 3, the conversion of phase 5 for the conversion of phase 2；
The real-time passage speed of vehicle that duration is detected according to crossing width and detector is emptied to be determined, empty time t=
L/v, wherein crossing width is L, and the real-time passage speed of the vehicle that detector detects is v.
Specific embodiment 3: see Fig. 8, Fig. 9, Figure 10, Figure 11, a kind of intersection with wide central partition of the invention
Traffic organization method, the eastern import 7 of intersection 1, western import 8, southing mouth 9, northing mouth 10 be respectively equipped with signal lamp,
In intersection 1, there is central partition among the road of east-west direction and North and South direction, corresponding central partition 2 is equipped with
Wait for that row area 3, west side wait for that row area 4, southern side wait for that row area 5, north side wait for that row area 6, east side wait for that row area 3, west side wait for row area 4, southern side in east side
It waits for that isolation strip 13 is arranged between row area 6 to row area 5, north side, east side waits for that row area 3, west side wait for that row area 4, southern side wait for row area 5, north side
To be equipped with changeable driveway in row area 6, east side waits for that row area 3, west side wait for that row area 4, southern side wait for that row area 5, north side wait for that row area 6 is respectively equipped with
To row area signal lamp 5, it is variable that east side waits for that row area 3, west side wait for that row area 4, southern side wait for that row area 5, north side wait for that row area 6 is respectively arranged in front with
Formula divided lane Warning Mark (not providing in figure), for guiding changeable driveway to change, vehicle can be recycled by following phase sequence
It is current:
Phase 1: southern side waits for that row area 5 stops letting pass, and eastern import 7, north side wait for that row area 6, west side wait for that row area 4 lets pass, and row area 6 is waited in north side
Changeable driveway function be adjusted to " straight trip+left-hand rotation ", west side waits for that the changeable driveway function in row area 4 is adjusted to " to keep straight on "；Southing mouth 9
Vehicle enters east side and waits for that row area 3 waits passage, and then, east side waits for that the changeable driveway function in row area 3 is adjusted to " left-hand rotation+straight trip "；
Phase 2: eastern import 7 stops letting pass, and west side waits for that row area 4 continues to let pass, and guarantees that the left turning vehicle of eastern import 7 is waited for by west side
Row area 4 travels southwards, empties west side and waits for row area 4, vehicle is avoided to overflow；Then, southing mouth 9, east side wait for that row area 3 and north side wait going
It lets pass in area 6；
Phase 3: west side waits for that row area 4 stops letting pass, and southing mouth 9, east side wait for that row area 3 and north side wait for that row area 6 continues to let pass, wherein north
The function of the changeable driveway in the area Ce Daihang 6 is adjusted to " to keep straight on "；The vehicle of western import 8 enters southern side and waits for that row area 5 waits passage, south
The changeable driveway function in the area Ce Daihang 5 is adjusted to " left-hand rotation+straight trip "；
Phase 4: southing mouth 9 stops letting pass, and north side waits for that row area 6 continues to let pass, and guarantees that the left turning vehicle of southing mouth 9 is waited for by north side
Row area 6 westwards travels, and empties north side and waits for row area 6, vehicle is avoided to overflow；Western import 8, southern side wait for that row area 5 and east side wait for that row area 3 is put
Row；
Phase 5: north side waits for that row area 6 stops letting pass, and western import 8, southern side wait for that row area 5 and east side wait for that row area 3 continues to let pass, the Middle East
3 lane function of the area Ce Daihang is adjusted to " to keep straight on "；10 vehicle of northing mouth enters west side and waits for that row area 4 waits passage, and row area 4 is waited in west side
The function of changeable driveway be adjusted to " left-hand rotation+straight trip "；
Phase 6: western import 8 stops letting pass, and east side waits for that row area 3 continues to let pass, guarantees that the left turning vehicle of western import 8 is waited for by east side
Row area 3 northwards travels, and empties east side and waits for row area 3, vehicle is avoided to overflow；Northing mouth 10, west side wait for that row area 4 and southern side wait for row area 5
It lets pass；
Phase 7: east side waits for that row area 3 stops letting pass, and northing mouth 10, west side wait for that row area 4 and southern side wait for that row area 5 continues to let pass, wherein
Wait for that 5 lane function of row area is adjusted to " to keep straight on " in southern side；Eastern 7 vehicle of import enters north side and waits for that row area 6 waits passage, lane function
It is adjusted to " left-hand rotation+straight trip "；
Phase 8: northing mouth 10 stops letting pass, and southern side waits for that row area 5 continues to let pass, and guarantees that the left turning vehicle of northing mouth 10 passes through southern side
It is travelled eastwards to row area 5, empties southern side and wait for row area 5, vehicle is avoided to overflow；Eastern import 7, north side wait for that row area 6 and west side wait for row area 4
It lets pass.
Wherein, each import of intersection is respectively equipped with flow detector, the left turn lane in changeable driveway and straight
The division of the quantity of runway is determined according to the magnitude of traffic flow that flow detector detects.
The clearance green time of intersection four direction is determined using HCM method, while fractional phase signal is let pass the time
The following conditions should be met:
(1) the green time t of phase 11, phase 2 green time t2With the green time t of phase 612The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty west side, or guarantees that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(2) the green time t of phase 23, phase 3 green time t4With the green time t of phase 45The sum of, it should guarantee as far as possible
It empties north side and waits for the vehicle in row area, or guarantee that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(3) the green time t of phase 46、The green time t of phase 57With the green time t of phase 68The sum of, it should guarantee as far as possible
It empties east side and waits for the vehicle in row area, or guarantee that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(4) the green time t of phase 69, phase 7 green time t10With the green time t of phase 811The sum of, it should protect as far as possible
It demonstrate,proves and empties the vehicle that row area is waited in southern side, or guarantee is most short to the queue length of row area, does not spill over to crossing；
(5) when phase transition, it should ensure that and emptied inside crossing, central partition is arranged so that only need to be to the crossing of diagonally opposing corner side
Space is cleared up, and in northeast corner when the conversion of phase 1 is to phase 2, the conversion of phase 3 to phase 4 is converted extremely in southeast corner, phase 5
Phase 6 is in southwest corner, and the conversion of phase 7 to phase 8 is in northwest corner, and the conversion of phase 2 to phase 3 is in southwest corner, the conversion of phase 4 to phase
Position 5 is in northwest corner, and phase 6 to phase 7 is in northeast corner, and for phase 8 to phase 1 in southeast corner, emptying duration can be according to diagonally opposing corner
The real-time passage speed of the vehicle that road width and detector detect is determined, empty time t=L/v, wherein diagonally opposing corner
Road width is L, and the real-time passage speed of the vehicle that detector detects is v.
The present invention compared with the existing technology, has the following advantages and beneficial effects:
1, it is arranged using the space of center isolation to row area, increases the buffer of vehicle；
2, by the built-in setting to row area, can Forward stop line be shortened the spacing by crossing of vehicle, is reduced
Transit time；
3, row area is treated in the traffic flow data detected by Traffic flow detecting equipment, and the setting for combining phase to let pass, realization
Lane function and number of track-lines carry out dynamic adjustment, more reasonable allocation space resource；
4, it is let pass using circulation, the setting of lapping phases signal, reduces the traffic conflict between crossing, a part of phase transition
Between do not need setting amber light or it is complete it is red empty the time, another part phase is divided into " part at runtime, by crossing space
Road area, part road keep-out region ", is effectively compressed crossing and empties time and space, so that crossing is in vehicle always continuous
Prevailing state effectively improves crossing signals clearance efficiency.
Claims (9)
1. a kind of traffic organization method of the intersection with wide central partition, eastern import, the western import, south of intersection
Import, northing mouth are respectively equipped with signal lamp, it is characterised in that: in intersection, corresponding central partition is equipped with dynamic can
The area Bian Daihang, the dynamically changeable wait in row area be equipped with changeable driveway, each dynamically changeable wait for being respectively equipped in row area to
Row area signal lamp, the dynamically changeable waits for that type variable divided lane Warning Mark is arranged in front of row area, for guiding changeable driveway to become
Change, when central partition is located among the road of east-west direction, the dynamically changeable in intersection waits for that row area is correspondingly arranged
Wait for that row area and west side wait for row area for east side, vehicle can be recycled by following phase sequence and be passed through:
Phase 1: when eastern import is let pass, west side waits for that the changeable driveway function in row area is adjusted to " to keep straight on "；At this point, southern imported vehicle
Wait for that row area waits into east side, east side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 2: eastern import stops letting pass, and west side waits for that row area continues to let pass, and guarantees that the left turning vehicle of eastern import waits going by west side
Area travels southwards, empties west side and waits for row area, vehicle is avoided to overflow；Then, southing mouth and east side wait for that row area lets pass；
Phase 3: southern incoming signal is adjusted to red light in advance, forbids vehicle to enter east side and waits for that row area, west side wait for that row area stops letting pass,
Empty vehicle in the crossing of Nan Banfulu；East side waits for that row area continues to keep letting pass, and empties east side and waits for row area vehicle, avoids overflowing；
Phase 4: western import starts to let pass, and east side waits for that row area keeps release status, and the function of changeable driveway is adjusted to " to keep straight on "；North
Imported vehicle enters west side and waits for that the waiting of row area is passed through, and west side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 5: western import stops letting pass, and east side waits for that row area continues to let pass, guarantees that the left turning vehicle of western import waits going by east side
Area northwards travels, and empties east side and waits for row area, vehicle is avoided to overflow；Then, northing mouth and west side wait for that row area lets pass；
Phase 6: northern incoming signal is adjusted to red light in advance, forbids vehicle to enter west side and waits for that row area, east side wait for that row area stops letting pass,
Empty the vehicle in the half range crossing of north side；West side waits for that row area continues to keep letting pass, and empties west side and waits for row area vehicle, avoids overflowing.
2. a kind of traffic organization method of intersection with wide central partition according to claim 1, feature exist
In: each import of intersection is respectively equipped with flow detector, the number of left turn lane and Through Lane in changeable driveway
The division of amount is determined according to the magnitude of traffic flow that flow detector detects.
3. a kind of traffic organization method of intersection with wide central partition according to claim 2, feature exist
In: six phase signal green lights of intersection and the requirement emptied are as follows:
(1) row area green time t is waited in the west side of phase 11Row area green time t is waited for the west side of phase 22The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty west side, or ensures that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(2) row area green time t is waited in the east side of phase 23Row area green time t is waited for the east side of phase 34The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty east side, or ensures that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(3) row area green time t is waited in the east side of phase 45Row area green time t is waited for the east side of phase 36The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty east side, or ensures that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(4) row area green time t is waited in the west side of phase 57Row area green time t is waited for the west side of phase 68The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty west side, or ensures that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(5) when phase transition to phase, it is ensured that it is emptied inside crossing, wherein
When the conversion of phase 1 to phase 2, the half range road of north side is carried out emptying processing；
When the conversion of phase 3 to phase 4, the half range road in east side is carried out emptying processing；
When the conversion of phase 4 to phase 5, the half range road in southern side is carried out emptying processing；
When the conversion of phase 6 to phase 1, the half range road in west side is carried out emptying processing；
To phase 6, no setting is required empties the time to phase 3, the conversion of phase 5 for the conversion of phase 2；
The real-time passage speed of vehicle that duration is detected according to crossing width and detector is emptied to be determined, empty time t=
L/v, wherein crossing width is L, and the real-time passage speed of the vehicle that detector detects is v.
4. a kind of traffic organization method of the intersection with wide central partition, eastern import, the western import, south of intersection
Import, northing mouth are respectively equipped with signal lamp, it is characterised in that: in intersection, corresponding central partition is equipped with dynamic can
The area Bian Daihang, the dynamically changeable wait in row area be equipped with changeable driveway, each dynamically changeable wait for being respectively equipped in row area to
Row area signal lamp, the dynamically changeable waits for that type variable divided lane Warning Mark is arranged in front of row area, for guiding changeable driveway to become
Change,
When central partition is located among the road of North and South direction, the dynamically changeable in intersection waits for that row area is correspondingly arranged
Wait for that row area and north side wait for row area for north side, vehicle can be recycled by following phase sequence and be passed through:
Phase 1: when southing mouth is let pass, north side waits for that row area keeps release status, and the function of changeable driveway is adjusted to " to keep straight on "；
Western imported vehicle enters southern side and waits for that row area waits passage, and southern side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 2: southing mouth stops letting pass, and north side waits for that row area continues to let pass, and guarantees that the left turning vehicle of southing mouth waits going by north side
Area westwards travels, and empties north side and waits for row area, vehicle is avoided to overflow；Then, western import and southern side wait for that row area lets pass；
Phase 3: western incoming signal is adjusted to red light in advance, forbids vehicle to enter southern side and waits for that row area, north side wait for that row area stops letting pass,
Empty the vehicle in the half range crossing of west side；Southern side waits for that row area continues to keep letting pass, and empties southern side and waits for row area vehicle, avoids overflowing；
Phase 4: northing mouth starts to let pass, and southern side waits for that row area keeps release status, and changeable driveway function is adjusted to " to keep straight on "；East into
Mouth vehicle enters north side and waits for that the waiting of row area is passed through, and north side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 5: northing mouth stops letting pass, and southern side waits for that row area continues to let pass, and guarantees that the left turning vehicle of northing mouth waits going by southern side
Area travels eastwards, empties southern side and waits for row area, vehicle is avoided to overflow；Eastern import and north side wait for that row area lets pass；
Phase 6: eastern incoming signal is adjusted to red light in advance, forbids vehicle to enter north side and waits for that row area, southern side wait for that row area stops letting pass,
Empty the vehicle in the half range crossing of east side；North side waits for that row area continues to keep letting pass, and empties north side and waits for row area vehicle, avoids overflowing.
5. a kind of traffic organization method of intersection with wide central partition according to claim 4, feature exist
In: each import of intersection is respectively equipped with flow detector, the number of left turn lane and Through Lane in changeable driveway
The division of amount is determined according to the magnitude of traffic flow that flow detector detects.
6. a kind of traffic organization method of intersection with wide central partition according to claim 5, feature exist
In: six phase signal green lights of intersection and the requirement emptied are as follows:
(1) row area green time t is waited in the north side of phase 11Row area green time t is waited for the north side of phase 22The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty north side, or ensures that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(2) row area green time t is waited in the southern side of phase 23Row area green time t is waited for the southern side of phase 34The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty southern side, or ensures that southern side waits for that the queue length of row area does not spill over southern side and waits for row area；
(3) row area green time t is waited in the southern side of phase 45Row area green time t is waited for the southern side of phase 36The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty southern side, or ensures that southern side waits for that the queue length of row area does not spill over southern side and waits for row area；
(4) row area green time t is waited in the north side of phase 57Row area green time t is waited for the north side of phase 68The sum of, it can be ensured that it is clear
The vehicle in row area is waited in empty north side, or ensures that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(5) when phase transition to phase, it is ensured that emptied inside crossing:
When the conversion of phase 1 to phase 2, the half range road in southern side is carried out emptying processing；
When the conversion of phase 3 to phase 4, the half range road in west side is carried out emptying processing；
When the conversion of phase 4 to phase 5, the half range road of north side is carried out emptying processing；
When the conversion of phase 6 to phase 1, the half range road in east side is carried out emptying processing；
To phase 6, no setting is required empties the time to phase 3, the conversion of phase 5 for the conversion of phase 2；
The real-time passage speed of vehicle that duration is detected according to crossing width and detector is emptied to be determined, empty time t=
L/v, wherein crossing width is L, and the real-time passage speed of the vehicle that detector detects is v.
7. a kind of traffic organization method of the intersection with wide central partition, eastern import, the western import, south of intersection
Import, northing mouth are respectively equipped with signal lamp, it is characterised in that: in intersection, corresponding central partition is equipped with dynamic can
The area Bian Daihang, the dynamically changeable wait in row area be equipped with changeable driveway, each dynamically changeable wait for being respectively equipped in row area to
Row area signal lamp, the dynamically changeable waits for that type variable divided lane Warning Mark is arranged in front of row area, for guiding changeable driveway to become
Change, when having central partition among east-west direction and the road of North and South direction, the dynamically changeable in intersection waits going
Area, which is correspondingly arranged, waits for that row area, west side wait for that row area, southern side wait for that row area, north side wait for row area for east side, and vehicle can be suitable by following phase
Sequence circulation is passed through:
Phase 1: southern side waits for that row area stops letting pass, and eastern import, north side wait for that row area, west side wait for that row area lets pass, and what row area was waited in north side can
Become lane function to be adjusted to " straight trip+left-hand rotation ", west side waits for that the changeable driveway function in row area is adjusted to " to keep straight on "；Southern imported vehicle into
Enter east side and wait for that row area waits passage, east side waits for that the changeable driveway function in row area is adjusted to " left-hand rotation+straight trip "；
Phase 2: eastern import stops letting pass, and west side waits for that row area continues to let pass, and guarantees that the left turning vehicle of eastern import waits going by west side
Area travels southwards, empties west side and waits for row area, vehicle is avoided to overflow；Then, southing mouth, east side wait for that row area and north side wait for that row area is put
Row；
Phase 3: west side waits for that row area stops letting pass, and southing mouth, east side wait for that row area and north side wait for that row area continues to let pass, and row area is waited in north side
The function of changeable driveway be adjusted to " to keep straight on "；The vehicle of western import enters southern side and waits for that row area waits passage, and row area is waited in southern side
Changeable driveway function is adjusted to " left-hand rotation+straight trip "；
Phase 4: southing mouth stops letting pass, and north side waits for that row area continues to let pass, and guarantees that the left turning vehicle of southing mouth waits going by north side
Area westwards travels, and empties north side and waits for row area, vehicle is avoided to overflow；Then, western import, southern side wait for that row area and east side wait for that row area is put
Row；
Phase 5: north side waits for that row area stops letting pass, and western import, southern side wait for that row area and east side wait for that row area continues to let pass, and wherein east side is waited for
Row area lane function is adjusted to " to keep straight on "；Northern imported vehicle enters west side and waits for that row area waits passage, and the variable vehicle in row area is waited in west side
The function in road is adjusted to " left-hand rotation+straight trip "；
Phase 6: western import stops letting pass, and east side waits for that row area continues to let pass, guarantees that the left turning vehicle of western import waits going by east side
Area northwards travels, and empties east side and waits for row area, vehicle is avoided to overflow；Northing mouth, west side wait for that row area and southern side wait for that row area lets pass；
Phase 7: east side waits for that row area stops letting pass, and northing mouth, west side wait for that row area and southern side wait for that row area continues to let pass, and wherein southern side is waited for
Row area lane function is adjusted to " to keep straight on "；Eastern imported vehicle enters north side and waits for that row area waits passage, and lane function is adjusted to " left
Turn+straight trip "；
Phase 8: northing mouth stops letting pass, and southern side waits for that row area continues to let pass, and guarantees that the left turning vehicle of northing mouth waits going by southern side
Area travels eastwards, empties southern side and waits for row area, vehicle is avoided to overflow；Eastern import, north side wait for that row area and west side wait for that row area lets pass.
8. a kind of traffic organization method of intersection with wide central partition according to claim 7, feature exist
In: each import of intersection is respectively equipped with flow detector, the number of left turn lane and Through Lane in changeable driveway
The division of amount is determined according to the magnitude of traffic flow that flow detector detects.
9. a kind of traffic organization method of intersection with wide central partition according to claim 8, feature exist
In:, the clearance green time of intersection four direction is determined using HCM method, while the fractional phase signal clearance time should expire
Sufficient the following conditions:
(1) the green time t of phase 11, phase 2 green time t2With the green time t of phase 812The sum of, it can be ensured that it empties
The vehicle in row area is waited in west side, or guarantees that west side waits for that the queue length of row area does not spill over west side and waits for row area；
(2) the green time t of phase 23, phase 3 green time t4With the green time t of phase 45The sum of, it should guarantee as far as possible
It empties north side and waits for the vehicle in row area, or guarantee that north side waits for that the queue length of row area does not spill over north side and waits for row area；
(3) the green time t of phase 46、The green time t of phase 57With the green time t of phase 68The sum of, it should guarantee as far as possible
It empties east side and waits for the vehicle in row area, or guarantee that east side waits for that the queue length of row area does not spill over east side and waits for row area；
(4) the green time t of phase 69, phase 7 green time t10With the green time t of phase 811The sum of, it should protect as far as possible
It demonstrate,proves and empties the vehicle that row area is waited in southern side, or guarantee is most short to the queue length of row area, does not spill over to crossing；
(5) when phase transition, it should ensure that and emptied inside crossing, central partition is arranged so that only need to be to the crossing of diagonally opposing corner side
Space is cleared up, and in northeast corner when the conversion of phase 1 is to phase 2, the conversion of phase 3 to phase 4 is converted extremely in southeast corner, phase 5
Phase 6 is in southwest corner, and the conversion of phase 7 to phase 8 is in northwest corner, and the conversion of phase 2 to phase 3 is in southwest corner, the conversion of phase 4 to phase
Position 5 is in northwest corner, and phase 6 to phase 7 is in northeast corner, and for phase 8 to phase 1 in southeast corner, emptying duration can be according to diagonally opposing corner
The real-time passage speed of the vehicle that road width and detector detect is determined, empty time t=L/v, wherein diagonally opposing corner
Road width is L, and the real-time passage speed of the vehicle that detector detects is v.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110364002A (en) * | 2019-05-22 | 2019-10-22 | 江苏科创交通安全产业研究院有限公司 | A kind of vehicle three-level Induction Control method and system in Traffic Net |
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