天津建设科技2026，Vol.36Issue(1)：1-4,4.DOI:10.3969/j.issn.1008-3197.2026.01.001
基于左转展宽的交叉口时空一体化优化设计
The Spatio-Temporal Integrated Optimization Design of Intersections Based on Left-Turn Widening
王莲香 1牛凯 2郭津 1张昊伟1
作者信息
- 1. 天津市公路事业发展服务中心,天津 300182
- 2. 中国市政工程华北设计研究总院有限公司,天津 300381
- 折叠
摘要
Abstract
Aiming at the low operation efficiency of the urban intersection,based on the widening of the left-turn lane,this paper constructs a spatio-temporal integration optimization design model of signalized intersection with traffic capacity and average vehicle delay as the optimization index,and uses MATLAB software to solve the optimization model,and the results show that the average vehicle delay of the optimized intersection is re-duced by 20.7%and the left-turn queue length is shortened by 13.3 m.The model can effectively improve the overall traffic efficiency of intersections,reduce the traffic delay of intersections.关键词
交叉口/左转车道/城市路网/通行能力Key words
intersection/left-turn lane/urban traffic network/traffic capacity分类
交通工程引用本文复制引用
王莲香,牛凯,郭津,张昊伟..基于左转展宽的交叉口时空一体化优化设计[J].天津建设科技,2026,36(1):1-4,4.
