Speed Spatial Distribution Models for Traffic Accident Section of Freeway Based on Computer Simulation
Decai Li1, Jiangwei Chu1, Wenhui Zhang1, Xiaojuan Wang1 , Guosheng Zhang2
(1.Traffic College, Northeast Forestry University, Harbin 150040, China; 2. Key Laboratory of Operation Safety Technology of Transport Vehicles of Transportation Industry, Research Institute of Highway Ministry of Transport, Beijing 100088,China)
Abstract:
Simulation models for accident section on freeway are built in microscopic traffic flow simulation environment. In these models involving 2-lane, 3-lane and 4-lane freeway, one detector is set every 10 m to measure section running speed. According to the simulation results, speed spatial distribution curves for traffic accident section on freeway are drawn which help to determine dangerous sections on upstream of accident section. Furthermore, the speed spatial distribution models are obtained for every speed distribution curve. The results provide theoretical basis for determination on temporal and spatial influence ranges of traffic accident and offer reference to formulation of speed limit scheme and other management measures.
Key words: traffic safety freeway accident section speed distribution simulation
DOI：10.11916/j.issn.1005-9113.2015.03.018
Clc Number:U491.3
Fund:
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Speed Spatial Distribution Models for Traffic Accident Section of Freeway Based on Computer Simulati
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Speed Spatial Distribution Models Traffic
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