A bus green wave signal control method under the condition of high-density road network

Abstract

The invention discloses a bus green wave signal control method under the condition of a high-density road network, and belongs to the technical field of road traffic control. The method comprises the steps that road facility data, public transportation system operation data, social transportation system operation data, non-motor vehicle operation data and longest pedestrian street-passing red light waiting time of the region of the high-density road network are collected; a target function of a signal control scheme of the region of the high-density road network is established; the stopping time at bus stations of buses and the running time between every two bus stations when the influence caused due to the fact that the buses need to stop at red rights at intersections does not exist are calculated; the constraint conditions for green wave passing of the buses, normal running of non-motor vehicles, street passing of pedestrians and stable passing of social vehicles are set; the optimal value of the target function is solved. The bus green wave signal control method under the condition of the high-density road network has the advantage that maximization of the passing efficiency of the public transportation system and the social transportation system of the region of the high-density road network can be realized.

Description

technical field [0001] The invention belongs to the technical field of road traffic control, and in particular relates to a method for controlling public transport green wave signals under high-density road network conditions. Background technique [0002] The high-density road network is an orthogonal checkerboard road network with narrow and dense roads. The distance between roads is about 100-300 meters. It has the characteristics of small intersection distance, short road section length and high road network density. When vehicles in high-density road network areas pass through each intersection, they can freely choose different paths to reach their destinations according to the actual road traffic conditions and travel purposes, effectively solving the problem of converging traffic to arterial roads in the traditional hierarchical road network system To achieve the bottleneck of traffic flow. Good road network connectivity and travel route selectivity make high-density...

AI Technical Summary

Problems solved by technology

At present, there are mainly two intersection signal control methods used in high-density road network areas: one is to implement signal control for a single intersection separately, because the intersection is dense and the traffic flow in all directions of the road network The implementation of signal control at intersections usually disrupts the traffic flow in the road network, causing vehicles to stop and go; the other is to choose one or several parallel roads to implement green wave control on arterial roads. Coordinated control of traffic signals at several consecutive intersections on the main road enables vehicles to obtain a green light continuously when passing. Motor vehicles and pedestrians carry out comprehensive traffic control. The above-mentioned green wave control has disadvantages in the actual application process: it is not conducive to the operation of road traffic flow in the intersecting direction, and in severe cases, it will cause congestion. Naturally, it cannot guarantee the high traffic efficiency of public transport vehicles. and operational punctuality, bringing great difficulties to the improvement of bus service level and the improvement of bus travel competitiveness

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