CN108389410B - Intersection canalization and signal control method adopting four-phase clockwise release mode - Google Patents
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Abstract
本发明公开了一种四相位顺时针放行方式的交叉口渠化与信号控制方法，在道路空间渠化时将交叉口的过街非机动车道用过街人行横道分隔为内外两条，过街人行横道外侧的过街非机动车道用于非机动车相应相位的直行过街，过街人行横道内侧的过街非机动车道用于非机动车相应于每个相位的左转二次过街；信号控制采取顺时针的四相位放行方式，将同一进口道的右转机动车和直行左转机动车分开放行。本发明减小了各交通方式互相之间的交通干扰，避免了交叉和对向冲突，减小了交通安全隐患；信号控制相位衔接顺畅，无需设置全红时间；适应于十字型交叉口四个方向进口道流量不平衡的情况，提高了时空资源利用率。
The invention discloses a four-phase clockwise release method for intersection channelization and signal control. When the road space is channelized, a non-motorized vehicle lane crossing a street at an intersection is divided into two inner and outer crossings, and the outer crossing of the crossing pedestrian crossing is divided into two parts. The non-motorized vehicle lane is used for the non-motorized vehicle to go straight across the street in the corresponding phase, and the non-motorized vehicle lane on the inner side of the crosswalk is used for the non-motorized vehicle to turn left twice and cross the street corresponding to each phase; the signal control adopts a clockwise four-phase release method, Separate right-turn vehicles from right-turn vehicles and left-turn vehicles going straight on the same entrance. The invention reduces the traffic interference between various traffic modes, avoids cross and opposite conflicts, and reduces the hidden danger of traffic safety; the signal control phase is connected smoothly, and no full red time needs to be set; it is suitable for four cross-shaped intersections. In the case of unbalanced flow in the directional inlet, the utilization rate of time and space resources is improved.
Description
Technical Field
The invention relates to the field of traffic design and control, in particular to a four-phase clockwise release intersection channelizing and signal control method for right-turn motor vehicle flow separation, right-turn non-motor vehicle flow separation, street-crossing straight-going and left-turn non-motor vehicle flow separation.
Background
The intersection is the bottleneck of road traffic capacity, often restricts the service level of the whole road and even the road network, and along with the continuous increase of non-motor vehicles in various cities, the conflict generated by the non-motor vehicles gathered at the intersection crossing brings great challenge to the management organization of the intersection; in terms of signal control, a symmetrical release mode is generally adopted, and a right-turning motor vehicle is not provided with red light time or is released synchronously with a straight vehicle at the same entrance lane, and the traffic organization method comprises the following defects:
1) the non-motor vehicles which turn left for the second time and cross the street have serious interference on the non-motor vehicles which move straight in the opposite direction, and have potential traffic safety hazards;
2) the non-motor vehicles passing through the street twice in the left turn influence the passing of the subsequent straight non-motor vehicles in the process of entering the left turn waiting area, and the passing efficiency is reduced;
3) serious cross conflict exists between the right-turning non-motor vehicles and pedestrians and non-motor vehicles crossing the street, and potential traffic safety hazards exist;
4) serious cross conflict exists between the right-turning motor vehicles and pedestrians and non-motor vehicles crossing the street, and potential traffic safety hazards exist;
5) the symmetrical phase needs to consider setting the full red time, so that the loss time is increased, and the running efficiency of the intersection is reduced;
when the traffic distribution of four entrance roads at the intersection is uneven, especially when obvious traffic tide phenomenon exists, the symmetrical release mode causes the waste of space-time resources.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides an intersection canalization and signal control method in a four-phase clockwise release mode aiming at the defect that a street-crossing non-motor vehicle lane is positioned at an intersection with a symmetrical phase release mode in front of a street-crossing pedestrian crossing, effectively reduces traffic interference among all traffic modes, avoids crossing and opposite conflict, reduces traffic safety hidden dangers, is suitable for the condition that the flow of inlet lanes in four directions of a cross intersection is unbalanced, and can improve the utilization rate of space-time resources.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme:
a crossing channelizing and signal control method of a four-phase clockwise release mode is characterized in that the crossing is a cross-shaped crossing, motor vehicle inlet lanes and non-motor vehicle inlet lanes are arranged in four directions, and the motor vehicle inlet lanes are provided with a left-turn lane, a straight lane and a right-turn special lane; dividing a street-crossing non-motor vehicle lane of the intersection into an inner single-way lane and an outer single-way lane by using a street-crossing pedestrian crossing, wherein the street-crossing non-motor vehicle lane close to the inner part of the intersection is used for enabling the non-motor vehicle to go straight across the street, and the street-crossing non-motor vehicle lane close to a stop line of the motor vehicle lane is used for enabling the non-motor vehicle to turn left for twice crossing the street; arranging a non-motor vehicle secondary street-crossing left-turn waiting area and a pedestrian street-crossing foot-standing area at four intersection corners; the signal control adopts a four-phase clockwise release mode, and specifically comprises the following steps:
a first phase: the straight-going and left-turning motor vehicles on the north entrance way, and the right-turning motor vehicles on the south entrance way and the east entrance way are released; the straight-going non-motor vehicles on the north entrance way, the left-turning street-crossing non-motor vehicles on the west entrance way and the left-turning waiting area on the southwest corner, and the right-turning non-motor vehicles on the south entrance way and the east entrance way are released; the pedestrians in the south and north directions at the west import are released to cross the street;
second phase: the straight-going and left-turning motor vehicles of the east entry lane and the right-turning motor vehicles of the west entry lane and the south entry lane are released; the straight-going non-motor vehicles on the east entrance way, the left-turning street-crossing non-motor vehicles on the north entrance way, the left-turning waiting area in the northwest corner, and the right-turning non-motor vehicles on the west entrance way and the south entrance way are released; the pedestrians in the east and west directions at the north entrance are released to cross the street;
the third phase: the straight-going and left-turning motor vehicles of the south entry way, and the right-turning motor vehicles of the north entry way and the west entry way are released; the straight-going non-motor vehicles passing through the south entrance way, the left-turning street-crossing non-motor vehicles passing through the east entrance way and the left-turning waiting area of the northeast corner, and the right-turning non-motor vehicles passing through the north entrance way and the west entrance way are released; the pedestrians in the south and north directions at east import are released to cross the street;
and a fourth phase: the straight-going and left-turning motor vehicles on the west entrance lane and the right-turning motor vehicles on the east entrance lane and the north entrance lane are released; the straight-going non-motor vehicles on the west entrance way, the left-turning street-crossing non-motor vehicles on the south entrance way and the southeast corner left-turning waiting area, and the right-turning non-motor vehicles on the east entrance way and the north entrance way are released; and the pedestrians in the east and west directions entering the south are released to cross the street.
Preferably, the non-motor vehicle entrance lane is expanded into a non-motor vehicle left-turn special lane, a non-motor vehicle straight lane and a non-motor vehicle right-turn special lane.
Preferably, the motor vehicle entrance lane is separated from the exit lane by a central partition, and the motor vehicle entrance lane and the exit lane are separated from the non-motor vehicle entrance lane and the non-motor vehicle exit lane by a non-motor vehicle partition, respectively.
Preferably, paving bricks in a pedestrian standing area, establishing a long short column or arranging the character of the pedestrian standing area in the street; and (3) laying yellow dotted lines on the periphery of the secondary street-crossing left-turning waiting area of the non-motor vehicle, coating the yellow dotted lines in the area to be green, drawing the pattern of the non-motor vehicle, and setting the character of the left-turning waiting area.
In specific implementation, green light and yellow light time of four phases is configured according to the straight-going equivalent of each motor vehicle at each entrance lane of the intersection, the non-motor vehicles and pedestrian flow.
Has the advantages that: compared with the prior art, the invention has the advantages that: 1. the non-motor vehicles which go straight run in the same direction as the non-motor vehicles which go straight run, and the non-motor vehicles which turn left are separated by the street crossing crosswalk, so that the non-motor vehicles which go straight run in the opposite direction cannot be interfered; 2. the non-motor vehicles turning left and the straight non-motor vehicles are separated on two lanes at the intersection, and the non-motor vehicles turning left do not have influence on the subsequent straight non-motor vehicles when the non-motor vehicles turning left stop for the first time; 3. the phase connection is smooth, and the full red time is not required to be set; 4. the right-turning motor vehicles and the straight-going left-turning motor vehicles on the same entrance lane are separated and released, so that the conflict between the right-turning motor vehicles and street-crossing pedestrians and non-motor vehicles is avoided; 5. the right-turning non-motor vehicles and the straight-going left-turning non-motor vehicles on the same entrance lane are separated and released, so that the conflict between the right-turning non-motor vehicles and the street-crossing pedestrians and non-motor vehicles can be avoided; 6. the method is suitable for the condition that the traffic flow of four inlet roads at the intersection is unbalanced, and improves the utilization rate of space-time resources.
Drawings
Fig. 1 is a schematic diagram of intersection canalization in an embodiment of the invention.
Fig. 2 is a schematic diagram of an intersection traffic flow and pedestrian flow organization flow line in the embodiment of the invention.
Fig. 3 is a schematic diagram of the intersection signal phase in the embodiment of the present invention.
In fig. 1: 1-motor vehicle straight left lane, 2-motor vehicle straight lane, 3-motor vehicle right turn special lane, 4-non-motor vehicle left turn special lane, 5-non-motor vehicle straight lane, 6-non-motor vehicle right turn special lane, 7-inner side street crossing non-motor lane, 8-intersection street crossing pedestrian crosswalk, 9-outer side street crossing non-motor lane, 10-pedestrian staying area, 11-non-motor vehicle secondary street crossing left turn waiting area, 12-non-motor vehicle exit lane, 13-motor vehicle exit lane, 14-motor vehicle partition, 15-central partition.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The embodiment of the invention discloses an intersection canalization and signal control method in a four-phase clockwise release mode. The method is suitable for a cross intersection with special motor vehicle access roads and non-motor vehicle access roads in four directions, and particularly as shown in fig. 1, the method for optimizing the spatial canalization of the intersection mainly comprises the following aspects:
(1) the west entrance lane of the motor vehicle at the intersection is designed into a straight left lane 1, a straight lane 2 and a right-turn special lane 3; it should be noted that the lane division of the motor vehicle of the present invention is not limited thereto, and when the road is wide enough, a dedicated left-turn lane may be designed. When in signal control, the straight lane, the straight left lane or the left-turn special lane of each direction entrance lane belong to one lane group, and the right-turn special lane belongs to the other lane group;
(2) widening a western-style approach of the non-motor vehicles at the intersection into a left-turn special lane 4, a straight-going lane 5 and a right-turn special lane 6;
(3) the method comprises the following steps of (1) dividing a non-motor vehicle lane for left-turn street crossing and a non-motor vehicle lane for straight street crossing into an inner lane and an outer lane, wherein the inner lane and the outer lane are respectively positioned at two sides of a pedestrian crossing crosswalk 8, the inner lane 7 for left-turn street crossing is close to a stop line of the motor vehicle lane, the outer lane 9 for straight street crossing is close to the inside of an intersection, and the two motor vehicle lanes respectively mark the driving direction of the non-motor vehicle in the lanes through arrows;
(4) arranging pedestrian street-crossing foot-holding areas 10 and non-motor vehicle secondary street-crossing left-turning waiting areas 11 at four intersection corners; the pedestrian staying area 10 can ensure the safety of pedestrians waiting for crossing the street by paving bricks, setting long short columns or setting a striking character of 'pedestrian staying area', for the non-motor vehicle secondary crossing left turning waiting area 11, yellow dotted lines can be distributed on the periphery of the area, the area is coated with green color and is painted with the figures of the non-motor vehicles, and the striking character of 'left turning waiting area' is set to ensure the waiting space of the left turning non-motor vehicles;
(5) the motor vehicle inlet passage is separated from the motor vehicle outlet passage 13 by a central separation fence 15, and the motor vehicle inlet passage and the motor vehicle outlet passage are separated from the non-motor vehicle inlet passage and the non-motor vehicle outlet passage 12 by a non-motor vehicle separation fence 14 respectively;
(6) the rest of the inlet channels are also channelized in turn according to the channelizing method.
Taking a cross intersection in Nanjing City of Jiangsu province as an example, the road space channelized information obtained by field investigation includes: the width of a single motor vehicle lane is 3.5m, the width of a non-motor vehicle lane is 4m, the width of a street crossing crosswalk is 4m, each inlet lane and each outlet lane comprise 3 motor vehicle lanes, and the road side in the road are respectively in the form of a central partition and a motor vehicle partition; the peak hour flow coefficient PHF of the intersection is 0.94, the designed target v/c is 0.95, the limit of the designed arrival speed is 40km/h, the motor vehicle flow, the non-motor vehicle flow and the pedestrian crossing flow of the intersection are shown in the following table, according to the survey result shown in the table, the motor vehicle flow of four entrance lanes at the intersection is unbalanced, the left-turning non-motor vehicle flow ratio is higher, the intersection is suitable for being transformed into the intersection canalization mode shown in the figure 1, the non-motor vehicle entrance lane is widened to be 6m, and the left-turning special lane, the straight lane and the right-turning special lane of the non-motor vehicle are respectively 2 m; the width of the non-motor vehicle lane for left-turning crossing the street is set to be 3m, the width of the non-motor vehicle lane for straight crossing the street is set to be 3.5m, and a four-phase clockwise release mode is adopted.
TABLE 1 intersection of intersection every entry lane motor vehicle straight equivalent, non-motor vehicle and pedestrian flow
Timing is carried out by a practical signal period method, and the following signal phase control scheme is obtained:
TABLE 2 intersection signal phase control scheme
As shown in fig. 2 and 3, the signal control optimization based on the intersection after the spatial canalization adopts a clockwise four-phase release mode, which specifically includes:
phase one: the straight-going and left-turning motor vehicles on the north entrance way, and the right-turning motor vehicles on the south entrance way and the east entrance way are released; simultaneously, a straight-going non-motor vehicle of a north entrance way and a right-turning non-motor vehicle of a south entrance way and an east entrance way are released, the left-turning non-motor vehicle of a west entrance way enters a left-turning waiting area of the northwest corner for the first time, and the left-turning non-motor vehicle of the left-turning waiting area of the southwest corner completes the left-turning secondary street-crossing; the pedestrians in the south and north directions of the west import finish the street crossing.
Phase two: the straight-going and left-turning motor vehicles of the east entry lane and the right-turning motor vehicles of the west entry lane and the south entry lane are released; simultaneously, a straight-going non-motor vehicle of an east entrance way and a right-turning non-motor vehicle of a west entrance and a south entrance way are released, a left-turning non-motor vehicle of a north entrance way enters a left-turning waiting area of the northeast corner for the first time, and a left-turning non-motor vehicle of a left-turning waiting area of the northwest corner completes a left-turning secondary street-crossing; the pedestrians in the east and west of the north entrance complete the street crossing.
Phase three: the straight-going and left-turning motor vehicles of the south entry way, and the right-turning motor vehicles of the north entry way and the west entry way are released; simultaneously, a straight-going non-motor vehicle of a south entrance way and a right-turning non-motor vehicle of a north entrance way and a west entrance way are released, the left-turning non-motor vehicle of the east entrance way enters a left-turning waiting area of the southeast corner for the first time, and the non-motor vehicle of the left-turning waiting area of the northeast corner completes the left-turning secondary street-crossing; the pedestrians in the north and south directions of the east import finish the street crossing.
Phase four: the straight-going and left-turning motor vehicles on the west entrance lane and the right-turning motor vehicles on the east entrance lane and the north entrance lane are released; simultaneously, a straight-going non-motor vehicle of a west entrance way and a right-turning non-motor vehicle of an east entrance way and a north entrance way are released, a left-turning non-motor vehicle of a south entrance way firstly crosses a street and enters a left-turning waiting area of a southwest corner, and a left-turning non-motor vehicle of a left-turning waiting area of a southeast corner finishes twice street crossing for the left turning; the pedestrians in the east and west of the south import finish the street crossing.
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| CN110246343B (en) * | 2019-07-12 | 2020-12-11 | 哈尔滨工业大学 | Non-conflict pedestrian signal timing method for two-phase intersection |
| CN111047883B (en) * | 2019-12-23 | 2021-01-01 | 西南科技大学 | Traffic Signal Control Method for Key Intersections and Adjacent Intersections |
| CN111785037A (en) * | 2020-06-02 | 2020-10-16 | 桂林电子科技大学 | Channelization and signal control method of slow-moving integrated signalized intersection |
| CN113362623B (en) * | 2021-06-04 | 2022-03-01 | 哈尔滨工业大学 | A left-turn non-motor vehicle traffic organization system and signal control method at a continuous flow intersection |
| CN114351523A (en) * | 2022-01-10 | 2022-04-15 | 上海市城市建设设计研究总院（集团）有限公司 | Intersection with non-motor vehicle passing area |
| CN115116219B (en) * | 2022-06-07 | 2024-04-05 | 启迪设计集团股份有限公司 | Method for judging setting requirements of waiting area of non-motor vehicle |
| CN115223368B (en) * | 2022-08-08 | 2023-12-29 | 启迪设计集团股份有限公司 | Method for judging whether non-motor vehicle lane is suitable for being transformed into unilateral bidirectional traffic |
| CN115691171A (en) * | 2022-09-28 | 2023-02-03 | 山东轨道交通勘察设计院有限公司 | Intersection allowing non-motor vehicles to turn left to cross street and passing method |
| CN118397855B (en) * | 2024-03-28 | 2025-01-21 | 东南大学 | An adaptive reversing lane system control method |
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