浅析城市道路中央分隔带设置功能与宽度

道路横断面中央分隔带的主要功能为分隔交通、绿化,安设交通标志、公用设施等,此外还可在路段设置港湾停车站、紧急停车带,在交叉口为增设车道提供场地以及保留远期路面展宽的可能。浅析城市道路中央分隔带设置功能与宽度,并提出中央分隔带建议最小值。

Elementary Analysis on Setup Function and Width of Central Separation Strip for Urban Road

The main functions of cross-section road central separation strip are to separate the traffic,to green,and to install the traffic signs and public facilities,and also can be to set up the harbor stations and emergent parking strips in road sections,and are possible for providing the field to add lanes at intersection and reserving the long-term pavement extension.The article elementarily analyzes the setup functions and widths of central separation strips for urban roads,and puts forward the minimum proposed value of central separation strip.