宋代城市,主要是南方城市,街道多铺以砖,这在文献中有所记载。这项工程,多为当地政府发起,有的用官费,有的募捐。并且,从成都、宁波、杭州、扬州、广州等地的考古资料来看,街道横截面多分为中间主道与两侧辅道,辅道两边多有排水沟。整个路面中间微凸,以利于排出积水。 Song Dynasty cities, mainly in southern cities, streets and more covered with brick, which is documented in the literature. This project, mostly initiated by the local government, and some official fees, and some fund-raising. And, from the archaeological data of Chengdu, Ningbo, Hangzhou, Yangzhou, Guangzhou and other places, the street cross-section is divided into the middle main road and the two side auxiliary roads, and the auxiliary roads have drainage ditches on both sides. Micro convex in the middle of the entire road, in order to facilitate the discharge of water.