高速公路入城段改扩建工程保通方案研究

摘要:

近年来城市空间日益扩张,高速公路被城市路网包围导致城市路网割裂,高速公路入城段改扩建需求越来越多。由于高速公路入城段道路两侧用地条件普遍较为苛刻,使得保通方案的优劣成为改扩建工程能否顺利实施的关键。以上海市S4公路入城段改扩建工程保通方案的研究为例,提出方案制定原则、工程技术标准及交通组织方案并进行交通预评价,供类似工程参考借鉴。

Abstract:

In recent years, the urban space has been expanding, and the highway is surrounded by the urban road network, which leads to the fragmentation of the urban road network. The demands for reconstruction and expansion of the urban section of the highway are increasing. Since the land conditions on both sides in the urban section of the highway are generally harsh, the pros and cons of the Traffic guaranteeing scheme