城市道路交叉口交通精细化智能管理研究

Research on Refined Intelligent Traffic Management at Urban Road Intersections

摘要:

为解决城市机动车保有量增长引发的道路拥堵、冲突加剧等问题，针对城市道路交叉口这一拥堵高发节点，以及传统交通管理存在的渠化粗放、机非干扰严重等不足，依托西安市多条城市道路交叉口微改造工程开展研究。采用融合精细化理念与智能技术的优化思路，通过左转逆置、车道精准诱导、非机动车路权重塑、数字孪生仿真预演等措施，构建交叉口交通管理优化方案。工程实践显示，实施该方案后，典型交叉口通行效率提升50%～84.9%，拥堵指数下降15%～45.86%，交通秩序与安全水平显著改善。研究成果可为国内同类型城市道路交叉口治理提供参考。

Abstract:

To solve the problems of road congestion and intensified conflicts caused by the growth of urban motor vehicle ownership, in response to the high-congestion nodes at urban road intersections, and the shortcomings of traditional traffic management, such as extensive channelization and severe interference from motor vehicles and non-motor vehicles, the research is conducted on the micro-reconstruction projects of multiple urban road intersections in Xi'an. Adopting the optimization idea integrating refined concepts and intelligent technologies, a traffic management optimization scheme for intersections is established through the measures such as left-turn reversal, precise lane guidance, reshaping of non-motor vehicle road rights, and digital twin simulation preview. The engineering practice shows that after the implementation of the scheme, the traffic efficiency of typical intersections has increased by 50% to 84.9%, the congestion index has decreased by 15% to 45.86%, and the traffic order and safety level have been significantly improved. The research results can provide a reference for the governance of similar urban road intersections in China.