A dynamic variety model to describe the traffic flow of target lane affected by lane change on urban road

In order to discover the variation of the traffic flow caused by lane change, the article analyzes the minimum safety distance and the lane change time between the lane change vehicle and the vehicles of the target lane based on the theory of vehicle lane change model and Bureau of Public Roads model. The influence time of lane change is determined by choosing two adjacent lanes as the research object according to the minimum safety distance of three kinds of combination. A model to describe the affected speed on lane 2 was established when the vehicle changed lane from 3 to 2 based on the measured data. The research results show that the speed of the target lane affected by the lane change is closely related to the volume of the adjacent two lanes and the acceleration of lane change vehicle. Then, while the more small acceleration of the lane change vehicle was, it would be more big variation traffic speed of the target lane. Finally, when the acceleration of the lane change is between 0.1 and 2.0 m/s 2 , the influence is more serious than others.

Abstract licence: CC BY

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