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Real-time optimal configuration method for lane resources of multi-lane expressway

A technology of expressway and optimized configuration, applied in the arrangement of variable traffic indications, etc., can solve the problems of high potential safety hazards and low operation efficiency, and achieve the effect of improving traffic safety and traffic efficiency.

Active Publication Date: 2015-07-22
LIAONING PROVINCIAL TRANSPORTATION PLANNING & DESIGN INST +2
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AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of high safety hazards and low operating efficiency caused by the mixed traffic of passengers and goods on the expressway and the lack of real-time and dynamic expressway management and control measures in the prior art, the present invention provides a real-time optimal configuration method for lane resources of multi-lane expressways. Passengers and goods are separated on expressways, and lane configuration plans and speed limit measures for lane separation are issued in real time through variable signal boards to reasonably induce traffic flow operation, thereby improving vehicle safety and efficiency on expressways

Method used

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  • Real-time optimal configuration method for lane resources of multi-lane expressway

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Embodiment 1

[0160] figure 2 Shown is a one-way four-lane (two-way eight-lane) expressway in a certain port area. The actual traffic capacity value C of the expressway single lane is 1800pcu / h / ln. Real-time resource optimization configuration, including the following steps:

[0161] A) In the step of collecting traffic data, the collected data includes: the number of one-way lanes of the expressway N=4, each interval t minutes is taken as 15 minutes, and the passenger car traffic volume of two 15-minute statistical intervals during the morning rush hour of the expressway bus traffic volume minivan traffic Medium Goods Vehicle Traffic large truck traffic and trailer traffic See Table 1 below.

[0162] Table 1

[0163]

[0164] B) Determine the equivalent traffic volume according to the collected traffic data, including: B1) according to with Calculate the total volume Q of the equivalent traffic volume of mixed vehicles standard cars and cars; B2) Calculate the equivale...

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Abstract

The invention discloses a real-time optimal configuration method for lane resources of a multi-lane expressway. The real-time optimal configuration method for the lane resources of the multi-lane expressway comprises the following steps of traffic data acquisition, equivalent traffic volume confirmation, saturability calculation, passenger car and freight truck separation confirmation, lane resource configuration, lane speed limitation confirmation and real-time information issuing. Flow data of different vehicles running on the expressway are acquired and analyzed in real time, whether passenger cars and freight trucks on the expressway need to be separated from each other or not is determined, lane speed limitation measures under the condition of passenger car and freight truck separation and lane speed limitation measures under the condition of passenger car and freight truck combination are confirmed, and a real-time lane resource configuration scheme is formed. The lane resources of the expressway are distributed and controlled in real time, safety problems caused by mixed flow of the passenger cars and the freight trucks are reduced, speed advantages of the different vehicles can be played to a maximum extent, and the traffic efficiency of the expressway is improved.

Description

technical field [0001] The invention relates to the technical fields of road planning and design, and road traffic operation and organization, in particular to a method for real-time optimal configuration of lane resources of a multi-lane expressway. Background technique [0002] Expressways are different from ordinary roads in that they have the advantages of fast driving speed and large traffic capacity. With the rapid development of my country's transportation industry, the construction of expressways has been continuously improved, and the traffic volume has also increased. However, in recent years, the proportion of trucks in the composition of expressway traffic flow has also been increasing, making the vehicles carried by expressways continue to develop in the direction of large and heavy vehicles, resulting in more and more conflicts and contradictions between passenger and trucks. In the case of mixed passenger and freight vehicles, there is a big difference in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/09
Inventor 席广恒魏军李晓白王昊付旻
Owner LIAONING PROVINCIAL TRANSPORTATION PLANNING & DESIGN INST
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