浅谈环形匝道在城市快速路互通立交应用中的误区——以长沙市红旗路立交为例

Misunderstanding of Application of Loop Ramp in Urban Expressway Interchange——Taking Hongqi Road Interchange in Hongqi Road of Changsha City as an Example

互通立交是城市快速路系统衔接的重要锚固点,城市快速路互通立交的选型更是快速路网衔接的重中之重,在立交选型时需综合考虑整个立交的交通功能、投资、占地、景观及社会和经济效益等因素。着重对城市高架快速路互通立交中环形匝道应用的误区进行研究,并以长沙市红旗路立交为例进行了说明。

Interchange is an important anchorage point of urban expressway system, The interchange type selection of urban expressway is the most important part of the rapid road network convergence, In the selection of interchange, the traffic function, investment, land occupation, landscape and social and economic benefits of the whole interchange should be considered comprehensively. This paper focuses on the research of the application of ramp metering in urban elevated expressway interchange, And taking the interchange of Hongqi Road of Changsha city as an example.