对城市道路交叉口左转专用车道设计的探讨

Probe Into the Design of Left-turn Lane at Signalized Crossing on Urban Street

在参考国内外设计经验的基础上,从左转车道设置的原则、设置左转车道的常用方式、左转车道的长度和宽度等角度对左转车道的设计问题进行了探讨,提出对左转车道进行合理偏移可有助于提高驾驶员的视距。

Based on the design experiences at home and abroad, the problems of design about left - turn lane are discussed, such as the establishment principles of leftturn lane, commonly used methods of establishment and the length and width of left- turn lane, and the offset to left - turn lane is proposed in order to improve drivers＇ sight distance.