国内城市道路车辆掉头设计综述

摘要:

城市道路上的车辆掉头是重要的交通行为之一,但目前国内的设计规范对其规定少之又少,实践当中设计人员基本上是参照左转来进行设计,然而车辆掉头与左转毕竟还有较大差别,因此研究车辆掉头设计非常必要。本文结合上海、广东等地目前掉头设计方法,进行了归纳总结,按掉头的纵向位置、横向位置、是否增辟车道、是否设置信号控制进行了分类,并对掉头半径及掉头车速进行了一定的分析研究,希望对解决掉头设计问题能提供一些有益的参考。

Abstract:

Vehicle U-turn is one of the most important traffic behaviors on urban roads, but there are few provisions in the current domestic design specifications. In practice, designers basically refer to left turn for design. However, there is still a big difference between U-turn and left turn. Therefore, it is necessary to study the design of U-turn. Combined with the current U-turn design methods in Shanghai, Guangdong and other places, this paper summarizes and classifies the U-turn according to the longitudinal position, transverse position, whether to increase lanes, whether to set signal control, and studies and analyzes the U-turn radius and U-turn speed, hoping to provide some useful reference for solving the U-turn design problems.