Abstract: For the traffic characteristics at offset intersection , the offset intersection signal coordination control method was put forward , according to the traffic organization , the traffic flow characteristics and road traffic conditions. The proposed method coordinated the main traffic flow and the phase design of the T -shaped intersection , which focused on the traffic safety. Simulation analysis on the offset intersection signal coordination control was carried out by the VISSIM software. Research results show that: the average delay of each import at the intersections reduces after the signal coordination control method; meanwhile , when the number of conflict points of intersection reduces , the intersection delays will reduce and the traffic safety will be improved.

Key words: offset intersection, coordinated control, VISSIM, simulation

摘要： 针对错位交叉口交通特点，根据交叉口的交通组织、交通流特性及道路交通条件，提出了协调主要车流、以错 位交叉口中主要的T形交叉口相位设汁为基础的相位方案，以及着重考虑交通安全的信号协调控制方法;通过VISSIM 软件对错位交叉口信号协调控制进行仿真分析。研究表明:在采用信号协调控制方案后，交叉口各进口的平均 延误均有所下降;同时减少交叉口的冲突点数量，有利于减少交叉口延误和改善交通安全。

关键词: 错位交叉口, 协调控制, VISSIM, 仿真