CN108457144A - A kind of application method of continuous flow intersection - Google Patents
A kind of application method of continuous flow intersection Download PDFInfo
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- CN108457144A CN108457144A CN201810256050.4A CN201810256050A CN108457144A CN 108457144 A CN108457144 A CN 108457144A CN 201810256050 A CN201810256050 A CN 201810256050A CN 108457144 A CN108457144 A CN 108457144A
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- intersection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/02—Crossings, junctions or interconnections between roads on the same level
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
-
- 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
Abstract
The invention discloses a kind of application methods of continuous flow intersection, include the following steps：S1：Spatial design：Intersection in bifurcation mouth, the roads main crossings Kou He is designed, S2：Transcation agent：Left-hand rotation automobile traffic tissue, right-turning vehicles traffic organization and straight traffic traffic organization are designed, S3：Signal control design case：Signal lamp arrangement, signal phase scheme, coordination Design of Signal scheme and program control are designed.The invention avoids conflict with opposite through vehicles, effectively shorten the signal period, reduce traffic delay, the excess room that straight trip phase is in red light tourist bus road at present is taken full advantage of, so that head end operation is possessed larger u-turn radius, reduces the requirement to road Cross Section, and the general continuous flow intersection that comparison is not acclimatized in China, because friendly to pedestrian and non-motor vehicle, and smaller is occupied to path space, therefore is suitable for China's national situation.
Description
Technical field
The present invention relates to continuous flow intersection technical field more particularly to a kind of application methods of continuous flow intersection.
Background technology
The problem of conventional cross mouth, is mainly caused conflicting for through vehicles by turning left with opposite direction, to solve this problem, is passed
System measure includes：Increase number of track-lines, prohibit a left side, build grade separation etc.；And these measures still have problems to treat harshly solution, such as：Increase
Periphery road network pressure causes traffic disturbance because of lane change or interflow, or because land area is big, build somewhat expensive, influences city
The problems such as landscape, is difficult to carry out, and continuous flow intersection is as a kind of unconventional intersection, though traffic delay can be effectively reduced,
But in China because by limitations such as urban road land used, mixed flow traffic, it is difficult to promote.
Invention content
Technical problems based on background technology, the present invention propose a kind of application method of continuous flow intersection.
A kind of application method of continuous flow intersection proposed by the present invention, includes the following steps：
S1：Spatial design：Intersection in bifurcation mouth, the roads main crossings Kou He is designed；
S2：Transcation agent：To left-hand rotation automobile traffic tissue, right-turning vehicles traffic organization and straight traffic traffic group
It knits and is designed；
S3：Signal control design case：Signal lamp arrangement, signal phase scheme, coordinate Design of Signal scheme and program control into
Row design；
S4：Simulating scheme designs：Select tools of the Vissim as traffic Evaluation of Utility, to Novel connection afterflow intersection,
Conventional cross mouth and general continuous flow intersection carry out emulation experiment, are arranged before each track stop line, at right-turn lane interflow
Data collection point generates evaluation file, and is believed by the evaluation of intersection at two left turning vehicle of Novel connection afterflow intersection
Breath is done to summarize manually；
S5：Analysis of simulation result：The summary information that the emulation experiment described in the S4 obtains is analyzed, and obtains new type of continuous
Flow intersection scheme.
Preferably, in the S1, bifurcation mouth is designed before immutable diatom, opens up left/right rotation dedicated Lanes outward, and
Through Lane closes up outward, concedes the head end operation special lane on the inside of road, and main crossings mouth is responsible for coordinating thing and north-south
Through vehicles, and safety island is set, pedestrian cross pattern is similar with traditional crossing, and left/right rotation dedicated Lanes are in this bifurcated, Lu Zhong
Intersection is arranged in the opposite section of bifurcation mouth, is responsible for coordinating left-hand rotation head end operation and through vehicles, right-hand rotation special lane close herein
Downstream track is flowed into, is arranged by left-hand rotation special lane to the channelizing line of head end operation special lane.
Preferably, in the S2, left turning vehicle carries out totally four step：The first step, left turning vehicle is in road sign and mark
Under the guide of line, enter dedicated Lanes with right-turning vehicles；Second step, left turning vehicle shunt at right-hand rotation with right-turning vehicles, enter
Inside left-hand rotation special lane；Third walks, and left turning vehicle is indicated in stop line waiting signal lamp, and through vehicles is allowed to pass through downstream track；
4th step, left turning vehicle follow channelizing line u-turn and drive into lateral u-turn track and continue through main crossings mouth, complete.
Preferably, in the S2, right-turning vehicles drive into special-purpose vehicle in bifurcation mouth with left turning vehicle by kerb lane common row
Road is further separated into outside right-hand rotation road at right-hand rotation, then collaborates into downstream track, driving mode and traditional crossing class with bypass
Seemingly, not signal controls, and through vehicles are slowly drawn close by two track of inside in bifurcation mouth along channelizing line outward, concedes inside
Head end operation special lane, in main crossings mouth it is believed that signal lamp instruction orderly passes through.
Preferably, in the S3, signal lamp all has configuration in intersection in the roads main crossings Kou He, wherein in main crossings mouth
One group of signal lamp is set, detaches thing and north and south straight traffic in time, and intersection is provided with letter to head end operation in road
Signal lamp, to coordinate its conflicting with downstream track through vehicles, Novel connection afterflow intersection is by left turn traffic in conventional cross mouth
With opposite straight traffic conflict switched to its with vertical direction straight traffic conflicting at the track of downstream, delayed conflict
Occur, the signal phase of main crossings mouth is set as 2 phases, and clearance thing through vehicles and north and south through vehicles, are handed in road respectively
Also 2 phase signals are set at prong, when through vehicles are sailed to downstream track close to conflict point, i.e., no U turn vehicle pass-through, until
On main crossings mouth a phase let pass vehicle all by intersection in road after, clearance head end operation.
Preferably, certain because having with one voice in the roads automatic stop fare Chu Shizhi after main crossings mouth vehicle certainly clearance in the S3
Time interval so that in road the phase change of intersection delayed with main crossings mouth, phase it is interlaced, by being rationally arranged
The conditions such as length, road driving speed, the main crossings mouth signal period of intersection away from main crossings mouth, make left turning vehicle adjust in road
Main crossings mouth is continued through after head.
Preferably, in the S3, the concrete signal control program of intersection is as follows in road：By taking unilateral crossing as an example, under
Tourist bus road close at conflict point (4,5,6) after (1,2,3), downstream track conflict point, left-hand rotation special lane stop line before (7), right
(8) are respectively arranged ground induction coil to after the stopway of head end operation special lane, to collect vehicle number and vehicle by each track
Length, if left rotaring signal initial phase is green light, when (1,2,3), a number ground induction coil detects after carrying out vehicle, and phase switchs to red light,
And the vehicle number of (4,5,6) number ground induction coil by the vehicle number of (1,2,3) number ground induction coil and is passed through by statistics, you can
Know the vehicle number before being stranded in downstream track conflict point, i.e. transformation phase is green light after no vehicle is detained, and minimum red light is arranged
Often, left rotaring signal back and forth changes when smaller to avoid straight traffic, and by comparing (7) and (8) number ground induction coil by
Data, you can the length for knowing the vehicle fleet size and each car retained on head end operation special lane is estimated in conjunction with conditions such as time headways
The remaining space of head end operation special lane is calculated, left rotaring signal switchs to red light phase when insufficient space.
Beneficial effects of the present invention：Designated lane and give signal control by being arranged for left turning vehicle, avoid its with
The conflict of opposite through vehicles；And by coordinating signal timing dial, makes left-hand rotation and through vehicles that can continue through crossing, effectively shorten
Signal period, reduce traffic delay, with taken at general taboo left mouth it is remote draw turning type organizational form compared with, fully
The excess room that straight trip phase be in red light tourist bus road at present is utilized, so that head end operation is possessed larger u-turn radius, reduction
Requirement to road Cross Section, and compare the general continuous flow intersection in China not acclimatized, because to pedestrian with it is non-maneuver
Automobile friend is good, and occupies smaller to path space, therefore is suitable for China's national situation.
Description of the drawings
Fig. 1 is physical model figure proposed by the present invention；
Fig. 2 is bifurcation mouth design drawing proposed by the present invention；
Fig. 3 is main crossings mouth design drawing proposed by the present invention；
Fig. 4 is intersection design drawing in road proposed by the present invention；
Fig. 5 is left turning vehicle traffic organization schematic diagram proposed by the present invention；
Fig. 6 is signal phase figure proposed by the present invention；
Fig. 7 is ground induction coil distribution map proposed by the present invention；
Fig. 8 is continuous flow intersection proposed by the present invention figure；
Fig. 9 is conventional cross mouth design drawing；
Figure 10 is general continuous flow intersection design drawing；
Figure 11 is continuous flow intersection proposed by the present invention flow and queuing duration relational graph.
Specific implementation mode
The present invention is made further to explain with reference to specific embodiment.
Embodiment
Referring to Fig.1-11, a kind of application method of continuous flow intersection is proposed in the present embodiment, is included the following steps：
S1：Spatial design：Intersection in bifurcation mouth, the roads main crossings Kou He is designed；
S2：Transcation agent：To left-hand rotation automobile traffic tissue, right-turning vehicles traffic organization and straight traffic traffic group
It knits and is designed；
S3：Signal control design case：Signal lamp arrangement, signal phase scheme, coordinate Design of Signal scheme and program control into
Row design；
S4：Simulating scheme designs：Select tools of the Vissim as traffic Evaluation of Utility, to Novel connection afterflow intersection,
Conventional cross mouth and general continuous flow intersection carry out emulation experiment, are arranged before each track stop line, at right-turn lane interflow
Data collection point generates evaluation file, and is believed by the evaluation of intersection at two left turning vehicle of Novel connection afterflow intersection
Breath is done to summarize manually；
S5：Analysis of simulation result：The summary information that the emulation experiment described in the S4 obtains is analyzed, and obtains new type of continuous
Flow intersection scheme.
In the present embodiment, in S1, bifurcation mouth is designed before immutable diatom, opens up left/right rotation dedicated Lanes outward, and
Through Lane closes up outward, concedes the head end operation special lane on the inside of road, and main crossings mouth is responsible for coordinating thing and north-south
Through vehicles, and safety island is set, pedestrian cross pattern is similar with traditional crossing, and left/right rotation dedicated Lanes are in this bifurcated, Lu Zhong
Intersection is arranged in the opposite section of bifurcation mouth, is responsible for coordinating left-hand rotation head end operation and through vehicles, right-hand rotation special lane close herein
Downstream track is flowed into, setting is by left-hand rotation special lane to the channelizing line of head end operation special lane, and in S2, left turning vehicle is carried out total
Four steps：The first step, left turning vehicle enter dedicated Lanes under the guide of road sign and graticule, with right-turning vehicles；Second step, it is left
It changes trains or buses to shunt with right-turning vehicles at right-hand rotation, into inside left-hand rotation special lane；Third walks, and left turning vehicle is waited in stop line to be believed
Signal lamp indicates, through vehicles is allowed to pass through downstream track；4th step, left turning vehicle follow channelizing line u-turn and drive into lateral u-turn track simultaneously
Main crossings mouth is continued through, completes, in S2, right-turning vehicles are driven into bifurcation mouth by kerb lane common row with left turning vehicle
Dedicated Lanes are further separated into outside right-hand rotation road at right-hand rotation, then collaborate into downstream track, driving mode and the tradition with bypass
Crossing is similar, and not signal controls, and through vehicles are slowly drawn close by two track of inside in bifurcation mouth along channelizing line, conceded outward
The head end operation special lane of inside, in main crossings mouth it is believed that signal lamp instruction orderly passes through, in S3, signal lamp is on the roads main crossings Kou He
All there is configuration in middle intersection, wherein one group of signal lamp is arranged in main crossings mouth, detaches thing and north and south straight traffic in time
Stream, and intersection is provided with signal lamp to head end operation in road, to coordinate its conflicting with downstream track through vehicles, Novel connection
Left turn traffic in conventional cross mouth conflicting for straight traffic has been switched to itself and vertical direction straight traffic by afterflow intersection with opposite direction
The conflict at the track of downstream is flowed, the generation of conflict has been delayed, the signal phase of main crossings mouth is set as 2 phases, east of letting pass respectively
Western through vehicles and north and south through vehicles, intersection also sets 2 phase signals in road, sails to downstream track and connects when through vehicles
When nearly conflict point, i.e., no U turn vehicle pass-through, until the vehicle that a phase is let pass on main crossings mouth all passes through intersection in road
Afterwards, clearance head end operation, in S3, because main crossings mouth vehicle has the regular hour with one voice from after letting pass in the roads automatic stop fare Chu Shizhi
Interval so that in road the phase change of intersection delayed with main crossings mouth, phase it is interlaced, therefore by the way that road is rationally arranged
The conditions such as length, road driving speed, main crossings mouth signal period of the middle intersection away from main crossings mouth, can be such that left turning vehicle is adjusting
Main crossings mouth is continued through after head, is waited for without two degree, in S3, the concrete signal control program of intersection is as follows in road：With list
For dypass mouth, in downstream track close at conflict point (4,5,6) after (1,2,3), downstream track conflict point, left-hand rotation special lane
(8) are respectively arranged ground induction coil after the stopway of (7) before stop line, opposite head end operation special lane, pass through each track to collect
Vehicle number and Vehicle length, if left rotaring signal initial phase be green light, when (1,2,3), a number ground induction coil detects after carrying out vehicle,
Phase switchs to red light, and by the vehicle number of (1,2,3) number ground induction coil and passes through (4,5,6) number ground induction coil by statistics
Vehicle number, you can learn the vehicle number before being stranded in downstream track conflict point, after no vehicle is detained i.e. transformation phase be green light,
And minimum red light is set often, left rotaring signal back and forth changes when smaller to avoid straight traffic, and by comparing (7) and (8) number
Ground induction coil by data, you can the length for knowing the vehicle fleet size and each car retained on head end operation special lane, in conjunction with vehicle
Head when away from etc. conditions estimate head end operation special lane remaining space, when insufficient space, left rotaring signal switchs to red light phase,
In S4, an import vehicle flowrate is set as 3000pcu/h, right-hand rotation is respectively provided with the through vehicles interflow place of conflict to right-turn lane and is allowed directly
Row decision, each signal phase is set as 20s stationary phases at main crossings mouth, and the left rotaring signal of Novel connection afterflow intersection is by VAP
Interface Controller, code are as follows：
Novel connection afterflow intersection compares as follows often with the existing intersection vehicles queuing of two classes：
It can be obtained by upper chart, Novel connection afterflow proposed in this paper intersection, it is special logical by being arranged for left turning vehicle
Road simultaneously gives signal control, avoids its conflicting with opposite through vehicles；And by coordinating signal timing dial, make left-hand rotation and straight trip
Vehicle can continue through crossing, effectively shorten the signal period, reduce traffic delay；It is taken at general taboo left mouth
It is remote to draw turning type organizational form and compare, the excess room that straight trip phase is in red light tourist bus road at present is taken full advantage of, u-turn is made
Vehicle possesses larger u-turn radius, reduces the requirement to road Cross Section；And comparison connects in not acclimatized general in China
Afterflow intersection because friendly to pedestrian and non-motor vehicle, and occupies smaller to path space, therefore is suitable for China's national situation.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of application method of continuous flow intersection, which is characterized in that include the following steps：
S1：Spatial design：Intersection in bifurcation mouth, the roads main crossings Kou He is designed；
S2：Transcation agent：To left-hand rotation automobile traffic tissue, right-turning vehicles traffic organization and straight traffic traffic organization into
Row design；
S3：Signal control design case：Signal lamp arrangement, signal phase scheme, coordination Design of Signal scheme and program control are set
Meter；
S4：Simulating scheme designs：Tools of the Vissim as traffic Evaluation of Utility is selected, to Novel connection afterflow intersection, tradition
Intersection and general continuous flow intersection carry out emulation experiment, and before each track stop line, data are arranged at right-turn lane interflow
Collection point generates evaluation file, and is done by the evaluation information of intersection at two to the left turning vehicle of Novel connection afterflow intersection
Summarize manually；
S5：Analysis of simulation result：The summary information that the emulation experiment described in the S4 obtains is analyzed, and show that Novel connection afterflow is handed over
Prong scheme.
2. a kind of application method of continuous flow intersection according to claim 1, which is characterized in that in the S1, fork
Mouth design opens up left/right rotation dedicated Lanes outward before immutable diatom, and Through Lane closes up outward, concedes in road
The head end operation special lane of side, main crossings mouth is responsible for coordinating thing and north-south through vehicles, and safety island is arranged, pedestrian's street crossing
Mode is similar with traditional crossing, and left/right rotation dedicated Lanes intersection in this bifurcated, road is arranged in the opposite section of bifurcation mouth, bears
Duty coordinates left-hand rotation head end operation and through vehicles, and right-hand rotation special lane collaborates herein into downstream track, setting by left-hand rotation special lane to
The channelizing line of head end operation special lane.
3. a kind of application method of continuous flow intersection according to claim 1, which is characterized in that in the S2, turn left
Vehicle carries out totally four step：The first step, left turning vehicle enter special under the guide of road sign and graticule with right-turning vehicles
Track；Second step, left turning vehicle shunts at right-hand rotation with right-turning vehicles, into inside left-hand rotation special lane；Third walks, left turning vehicle
It is indicated in stop line waiting signal lamp, through vehicles is allowed to pass through downstream track；4th step, left turning vehicle follow channelizing line u-turn and drive into
Lateral u-turn track simultaneously continues through main crossings mouth, completes.
4. a kind of application method of continuous flow intersection according to claim 1, which is characterized in that in the S2, turn right
Vehicle drives into dedicated Lanes in bifurcation mouth with left turning vehicle by kerb lane common row, and outside is further separated at right-hand rotation and is turned right
Road then collaborates into downstream track, and driving mode is similar with traditional crossing with bypass, and not signal controls, and through vehicles exist
Bifurcation mouth is slowly drawn close by two track of inside outward along channelizing line, the head end operation special lane of inside is conceded, in main crossings mouth
It is believed that signal lamp instruction orderly passes through.
5. a kind of application method of continuous flow intersection according to claim 1, which is characterized in that in the S3, signal
Lamp all has configuration in intersection in the roads main crossings Kou He, wherein one group of signal lamp is arranged in main crossings mouth, in time separation east
West and north and south straight traffic, and intersection is provided with signal lamp to head end operation in road, to coordinate itself and downstream track straight traffic
Conflict, Novel connection afterflow intersection by left turn traffic in conventional cross mouth and opposite straight traffic conflict switched to its with
Conflict of the vertical direction straight traffic at the track of downstream, has delayed the generation of conflict, and the signal phase of main crossings mouth is set as 2 phases
Position, clearance thing through vehicles and north and south through vehicles respectively, intersection also sets 2 phase signals in road, works as through vehicles
When sailing to downstream track close to conflict point, i.e., no U turn vehicle pass-through, until the vehicle that a phase is let pass on main crossings mouth is whole
Behind intersection in road, clearance head end operation.
6. a kind of application method of continuous flow intersection according to claim 1, which is characterized in that in the S3, because of master
Intersection vehicles have certain time interval with one voice from after letting pass in the roads automatic stop fare Chu Shizhi so that the phase of intersection in road
Variation is delayed with main crossings mouth, phase is interlaced, by the way that length away from main crossings mouth of intersection in road, road is rationally arranged
The conditions such as road speed of operation, main crossings mouth signal period, make left turning vehicle continue through main crossings mouth after u-turn.
7. a kind of application method of continuous flow intersection according to claim 1, which is characterized in that in the S3, Lu Zhong
The concrete signal control program of intersection is as follows：By taking unilateral crossing as an example, downstream track close at conflict point (1,2,3), under
After the stopway of (7) before the stop line of (4,5,6) after tourist bus road conflict point, left-hand rotation special lane, opposite head end operation special lane (8)
It is respectively arranged ground induction coil, to collect vehicle number and Vehicle length by each track, if left rotaring signal initial phase is green light,
When (1,2,3), a number ground induction coil detects after carrying out vehicle, and phase switchs to red light, and passes through (1,2,3) number ground sense line by statistics
The vehicle number of circle and the vehicle number by (4,5,6) number ground induction coil, you can learn the vehicle before being stranded in downstream track conflict point
Number, i.e. transformation phase is green light after no vehicle is detained, and minimum red light is arranged often, is turned left when smaller to avoid straight traffic
Signal back and forth changes, and by comparing (7) and (8) number ground induction coil by data, you can know and stayed on head end operation special lane
The length of the vehicle fleet size and each car deposited estimates the remaining space of head end operation special lane in conjunction with conditions such as time headways, when
Left rotaring signal switchs to red light phase when insufficient space.
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| CN201810256050.4A CN108457144A (en) | 2018-03-27 | 2018-03-27 | A kind of application method of continuous flow intersection |
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| CN201810256050.4A CN108457144A (en) | 2018-03-27 | 2018-03-27 | A kind of application method of continuous flow intersection |
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Cited By (5)
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| CN109523808A (en) * | 2018-12-27 | 2019-03-26 | 长安大学 | A kind of canalization optimization method shifting left-hand rotation intersection |
| CN112562364A (en) * | 2020-11-27 | 2021-03-26 | 哈尔滨工业大学 | Traffic organization and signal timing method and system for continuous flow intersection |
| CN113362623A (en) * | 2021-06-04 | 2021-09-07 | 哈尔滨工业大学 | Continuous flow intersection left-turn non-motor vehicle traffic organization system and signal control method |
| CN114863703A (en) * | 2022-04-25 | 2022-08-05 | 华北水利水电大学 | Improved continuous flow intersection left-turn lane |
| CN116863721A (en) * | 2023-07-24 | 2023-10-10 | 武汉理工大学 | Continuous flow control method and device for vehicles at T-shaped intersection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109523808A (en) * | 2018-12-27 | 2019-03-26 | 长安大学 | A kind of canalization optimization method shifting left-hand rotation intersection |
| CN109523808B (en) * | 2018-12-27 | 2021-07-27 | 长安大学 | Channelized optimization method for left-turn displacement intersection |
| CN112562364A (en) * | 2020-11-27 | 2021-03-26 | 哈尔滨工业大学 | Traffic organization and signal timing method and system for continuous flow intersection |
| CN113362623A (en) * | 2021-06-04 | 2021-09-07 | 哈尔滨工业大学 | Continuous flow intersection left-turn non-motor vehicle traffic organization system and signal control method |
| CN114863703A (en) * | 2022-04-25 | 2022-08-05 | 华北水利水电大学 | Improved continuous flow intersection left-turn lane |
| CN116863721A (en) * | 2023-07-24 | 2023-10-10 | 武汉理工大学 | Continuous flow control method and device for vehicles at T-shaped intersection |
| CN116863721B (en) * | 2023-07-24 | 2024-01-23 | 武汉理工大学 | Continuous flow control method and device for vehicles at T-shaped intersection |
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