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A T-shaped intersection channelization control method in the case of emergency evacuation

A technology of emergency evacuation and control method, which is applied in the field of channelization control of T-shaped intersections, can solve problems such as the adverse effects of vehicle traffic efficiency that are not considered in the parking control system, and achieves avoiding no way out, eliminating queuing delays, eliminating The effect of vehicle travel time

Inactive Publication Date: 2016-02-24
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing studies mainly use signal timing to reduce the time for emergency vehicles to pass through T-shaped intersections, without considering the adverse impact of the parking control system itself on vehicle traffic efficiency

Method used

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  • A T-shaped intersection channelization control method in the case of emergency evacuation
  • A T-shaped intersection channelization control method in the case of emergency evacuation
  • A T-shaped intersection channelization control method in the case of emergency evacuation

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Through the field data collection of the T-shaped intersection of Xinmofan Road-Nanrui Road in Nanjing, the peak hour traffic volume of the intersection is obtained, as shown in the following table:

[0052] Table 1 Peak-hour flow meter of Xinmofan Road-Nanrui Road T-shaped intersection (veh / h)

[0053]

[0054] The geometric layouts of the three entrances at the intersection are: 5 entrance lanes at the east entrance (Xinmofan Road) (turn right two, go straight three), north entrance (Nanrui Road) 4 entrance lanes (turn left two, right Turn 2), west entrance (Xinmofan Road) 5 entrance lanes (turn left 2, go straight 3). The signal timing at the intersection is: go straight at the east entrance (40s), turn left at the west entrance (20s), and turn left at the north entrance (20s). There are no restrictions on all vehicles turning right and going straight at the west entrance.

[0055] Assuming that the emergency evacuation start order is issued, the running directi...

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Abstract

The invention discloses a method for channelization control over a T-shaped intersection under the emergency evacuation condition. The method aims at guaranteeing that emergency vehicles rapidly and safely pass through the T-shaped intersection and meanwhile the influence of arrangement of emergency reversible lanes on normal operation of social vehicles is reduced to the maximum degree. The method includes the steps that firstly, a detector, a signal machine configured with computer programs and a signal lamp are installed on the T-shaped intersection meeting a condition; secondly, after an emergency evacuation start command is received, an emergency reversible lane channelization scheme is executed according to emergency vehicle operation directions; thirdly, a channelization scheme for residual lanes of entrance lanes of the emergency reversible lanes is set; eventually, inlet entrance division release control over the social vehicles is achieved through active signal control.

Description

technical field [0001] The invention relates to an intersection channelization control method, in particular to a T-shaped intersection channelization control method in the case of emergency evacuation. Background technique [0002] Intersection channelization control is a combination of diversion islands and road markings to separate or control the conflicting traffic flow and make it enter a certain route, so as to meet the basic requirements of level intersections. Its purpose is to reduce conflicts or clearly separate conflicts through channelization to control traffic flow, adjust conflict angles, and reduce unnecessary road paving. The plane crossing designed by channelization has been fully utilized in terms of time and space, which improves the traffic efficiency and safety of the crossing. [0003] Urban emergency evacuation events (such as fires and terrorist attacks) require emergency vehicles to arrive at the incident site quickly and safely to protect the safet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/08G08G1/087E01C1/02
Inventor 任刚华璟怡姚梦佳吴建波张旻沁
Owner SOUTHEAST UNIV
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