浅析城市道路中央分隔带设置功能与宽度

On Setting Function & Width of Urban Road Central Median

道路横断面中央分隔带的主要功能是分隔交通、绿化、安全设施和公用设施等,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及保留远期路面拓宽的可行性。浅析了城市道路中央分隔带设置功能与宽度,提出了中央分隔带建议最小值。

The main function of road cross section central median is to separate traffic,greening,safety facilities & public facilities,etc.Moreover,harbor bus stop and emergency parking strip can be setup on this road section to provide the space for adding lanes of intersections and reserve the feasibility of long-term pavement widening.The setting function & width of urban road central median are analyzed and the minimum value of central median is recommended in this paper.