对当前城市道路横断面规划设计的几点思考

规划设计好城市道路横断面，对提高道路通行能力，充分发挥道路投资效率有着十分显著的作用。针对我国目前状况，提出了以下改进意见：科学确定路幅宽度；细化机动车道功能，增加机动车道数量，适应交通发展需要；管线入沟，减少人行道宽度，增加道路绿地率；重视研究道路交通构成变化趋势，满足路面分幅远近期过渡需要；同一条道路的横断面应随交通、地形等因素变化而适当变化。

ON CURRENT DESIGN OF URBAN ROAD CROSS-SECTION

A good planning and design of cross-section is vital important to the traffic capacity, There are many ways to improve the design. The main view from the author are as follows: deciding the width of the roadway scientifically; classifying the lanes specifically as bus lane and so on;establishing composite pipes lines to reduce the width of curb strip, and to increase the rate of greenery; the cross-section should adapt itself to the development of traffic in the future and the surrounding where it is located.