微观交通仿真研究不同流量条件下的车道利用率

STUDY ON THE LANE UTILIZATION RATIO UNDER DIFFERENT VOLUMES WITH MICROSCOPIC TRAFFIC SIMULATION

车道利用率反映的是单一方向路段交通量在不同车道上的分布情况 ,它影响交通流的稳定性 ,是道路通行能力和交通安全的重要影响因素 .针对不同流量条件下车道利用率的不确定性和难以通过实验采获等特点 ,应用车辆跟驰、车道变换等微观交通流仿真模型在一体化仿真环境下进行模拟研究 ,得到双车道和三车道路段流量 -换道次数以及流量

The lane utilization ratio reflects the traffic distribution on different lanes of road section for a single direction. It influences the stability of traffic flow, and is the important influential factor of road capacity and security. Aiming at the uncertainty of the lane utilization ratio and the difficulty in collecting the field data under different volumes, the research is carried out with microscopic traffic simulation model of car-following and lane-changing to study the basic rules of the lane utilization ratio/lane-changing times and the lane utilization ratio/traffic volume of the road section with two carriageways or three carriageways.