1 前言 改革开放以来,上海市政府把完善道路设施,改善交通状况作为实事工程来抓,地铁、轻轨、大桥、隧道、高架等一系列重大工程逐步建成,使上海初步形成了立体道路交通的网络框架,缓解了曾经令上海人“出行难”的交通矛盾,取得了显著的效果,但随着道路交通的四通八达和车流车速的提高,其副作用也日益明显,最为突出的是交通主干线上昼夜大容量高速行驶的交通流给沿线居民的 1 Introduction Since the reform and opening up, the Shanghai municipal government has taken steps to improve road facilities and improve traffic conditions as a practical project. A series of major projects such as subways, light railways, bridges, tunnels and viaducts have been gradually built to enable Shanghai to initially form a network of three-dimensional road transport The framework has alleviated the traffic contradiction that made Shanghai people “travel difficult” and achieved remarkable results. However, with the increase in the number of road traffic and the speeding up of traffic flow, the side effects have become increasingly obvious. The most prominent ones are the day and night Large-capacity high-speed traffic flow to residents along the line