一、构筑长三角都市带交通网络一体化存在的难点及问题构筑长三角都市带虽然已成为江浙沪三地的共同呼声,但是,地区间由于本位主义严重、功能定位不清、产业结构重复等导致地区间恶性竞争、低水平重复建设、地区壁垒等,严重阻碍了交通网络的建设和一体化的步伐,具体表现在:1.低 I. Building Difficulties and Problems in the Integration of Urban Transport Network in the Yangtze River Delta Although building the Yangtze River Delta Metropolitan Belt has become a common voice among the three places in Jiangsu, Zhejiang and Shanghai, the inter-regional conflicts are caused by serious regionalism, unclear function orientation and repeated industrial structure Leading to vicious competition among regions, low-level redundant construction and regional barriers, which have seriously hindered the construction and integration of transportation networks. The specific performance is as follows: 1. Low