Research on Road Network Scale in Central Business District Oriented Transit Priority

The core issue of motorization development is the competition between transit and private cars. The traffic attraction is considerable in central business district, while the capacity of road network is limited. During the development of motorization, in order to guarantee inhabitant trip and prevent traffic jams, transit priority should be ensured. Firstly, based on the analysis on the characteristics of traffic demand and transit in central business district, transit priority was advised. According to the standards and criteria, the paper discussed the road space guided by the development goal of bus station coverage rate in central business district, and proposed the road space values in different conditions. On the basis of the best density of public transport network, the paper analyzed the density of road network and put forward the recommended value. Finally, a reasonable scale of road network and the planning outlines were proposed in central business district.