Road Infrastructure
摘要
Transportation infrastructure encompasses the facilities that provide services for the conveyance of social products and the mobility of residents. Based on the composition of the national transportation system, transportation infrastructure can be classified into five distinct categories to facilitate the secure and efficient functioning of various transportation facilities: (a) railway infrastructure; (b) roads; (c) waterways; (d) aviation; (e) pipelines. Within the context of urban transportation infrastructure, roads occupy a predominant role.