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Method for channelizing entrance lane behind pre-signal stop line of series intersection

A pre-signal and stop line technology, applied in the control of traffic signals, roads, forecasting, etc., can solve the problems of unbalanced lane queuing length, waste of space resources at intersections, and increased vehicle delays, and achieve the reduction of intersection cycle time and reduction Green light time, effect of increasing traffic capacity

Active Publication Date: 2020-11-20
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve problems such as unbalanced queuing length of each lane in the waiting area, waste of space resources at the intersection, and increased vehicle delay in the existing urban series intersections due to the traditional method of channeling the entrance lanes. A channelization method for entrance lanes behind pre-signal stop lines at series intersections is proposed

Method used

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  • Method for channelizing entrance lane behind pre-signal stop line of series intersection
  • Method for channelizing entrance lane behind pre-signal stop line of series intersection
  • Method for channelizing entrance lane behind pre-signal stop line of series intersection

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Experimental program
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specific Embodiment approach 1

[0016] Specific implementation mode one: In this implementation mode, a method for channelizing the entrance lane after the pre-signal stop line at the series intersection in this implementation mode is as follows:

[0017] Step 1. Determine the number of lanes of traffic flow in different directions at each entrance of the serial intersection;

[0018] Step 2. Based on the number of lanes of traffic flows in different directions at each entrance of the series intersection determined in step 1, determine the set of alternative lane channelization schemes after the pre-signal stop line;

[0019] Step 3. Based on the set of alternative lane channelization schemes after the pre-signal stop line determined in step 2, optimize the best lane channelization scheme after the pre-signal stop line.

specific Embodiment approach 2

[0020] Specific embodiment two: the difference between this embodiment and specific embodiment one is: in the said step one, determine the number of lanes of traffic flows in different flow directions at each entrance of the series intersection; the specific process is:

[0021] Step 11, taking an entrance direction (such as the west entrance) of a series intersection as an example, investigate the peak hour flow of left-turning, straight-going, and right-turning motor vehicles of an entrance road, respectively use Q l , Q t , Q m Indicates that the unit is vehicle / h;

[0022] The total number of lanes in one approach direction at a tandem intersection is express;

[0023] Step 1 and 2, if Q m ≥Q m* , then the rightmost lane in the direction of traffic flow is set as a special right-turn lane; Set up pre-signal stop lines and signal lights only from lane 1 to lane N; right-turning vehicles are not controlled by pre-signals and can directly reach the main signal stop li...

specific Embodiment approach 3

[0034] Specific implementation mode three: the difference between this implementation mode and specific implementation mode one or two is: the Q m* The value is 100 vehicles / h.

[0035] Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention discloses a method for channelizing an entrance lane behind a pre-signal stop line of a series intersection, and relates to a method for channelizing an entrance lane behind a pre-signalstop line of a series intersection. The invention aims to solve the problems of unbalanced queuing length of each lane in a waiting area, waste of intersection space resources, increase of vehicle delay and the like caused by the traditional entrance lane channelization method in the existing urban series intersection. The method for channelizing the entrance lane behind the pre-signal stop lineof the series intersection comprises the following specific steps: 1, determining the number of lanes of traffic flows in different flow directions at each entrance of the series intersection; 2, determining an alternative lane channelization scheme set behind a pre-signal stop line based on the number of lanes, determined in the step 1, of traffic flows in different flow directions at each entrance of the series intersection; and 3, based on the alternative lane channelization scheme set behind the pre-signal stop line determined in the step 2, optimizing the optimal lane channelization scheme behind the pre-signal stop line. The method is applied to the technical field of urban traffic management.

Description

technical field [0001] The invention belongs to the technical field of urban traffic management, and specifically relates to a channelization method for entrance lanes after pre-signal stop lines at series intersections. Background technique [0002] The tandem intersection is a novel intersection design method, which adds a stop line and a set of signal lights upstream of the original stop line at the traditional intersection. The newly added signal light is called the pre-signal, the original signal light is called the main signal, and the area between the pre-signal and the main signal is called the waiting area. When the green light of the pre-signal left-turn phase is on, left-turn vehicles can cross the stop line and enter all lanes in the waiting area to line up. After the main signal green light is on, the left-turn vehicles in the waiting area will leave the intersection together. When the green light of the pre-signal straight-going phase is on, the straight-going...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G08G1/08E01C1/00
CPCG06Q10/04G06Q10/06393G08G1/08E01C1/00
Inventor 别一鸣季金华季毓婷从远郝明杰
Owner JILIN UNIV
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