Method for changing function of variable guiding lane at intersection in vehicle-road collaboration environment

Abstract

The invention discloses a method for changing the function of a variable guiding lane at an intersection in a vehicle-road collaboration environment. The method determines whether to trigger a variable guiding lane according to the traffic saturation in each direction in combination with signal timing and speed induction, and comprises: when the left-turn traffic saturation and the straight-through traffic saturation are both less than 0.8, only performing ordinary speed induction on vehicles; when the straight-through traffic saturation is less than 0.8 and the left-turn traffic saturation is greater than 0.8, performing ordinary speed induction on the straight-through vehicles and performing speed induction suitable for high saturation on the left-turn vehicles, and adjusting the signaltiming to reduce the left-turn traffic saturation, and not changing the variable guiding lane if the left-turn traffic saturation and the straight-through traffic saturation are both less than 0.8 after the speed induction and the signal timing optimization, otherwise, changing the function of the variable guiding lane; when the left-turn traffic saturation and the straight-through traffic saturation are both greater than 0.8, only performing speed induction suitable for high saturation on the vehicles.

Description

technical field [0001] The invention belongs to the field of road traffic control, and specifically relates to a method for determining the function transformation of a variable guiding lane by adopting different strategies according to different road saturations in a vehicle-road collaborative environment. Background technique [0002] With the development of social economy, the number of automobiles has increased sharply, and traffic congestion has become increasingly serious. Urban intersections are often the key nodes that cause congestion, so improving the traffic efficiency of intersections can significantly alleviate traffic congestion. [0003] In traditional signalized intersections, the lane function is usually kept unchanged, and signal adjustment is adopted to cope with the change of traffic demand. The queue is too long, or the current phase of the opposite traffic flow causes a waste of time and space resources due to the increased green light time, so the var...

AI Technical Summary

Problems solved by technology

[0003] In traditional signalized intersections, the lane function is usually kept unchanged, and signal adjustment is adopted to cope with the change of traffic demand. The queue is too long, or the current phase of the opposite traffic flow causes a waste of time and space resources due to the increased green light time, so the variable directional lane came into being

At this stage, the conversion of variable guiding lanes is basically regulated manually, which may cause problems such as inappropriate timing and low efficiency.

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