| Urban road's cross-section design is between boundary lines of roads determined by urban comprehensive planning, which consists of motor lanes, bicycle lanes, pavements, medians and etc. Urban road's cross-section design is the pivotal part of design of urban road, and research about it have great meaning for study of traffic safety, road function, road capacity, using efficiency of urban land,cityscape and etc.This thesis analyzes status quo of urban design of cross-section in developed country and Beijing. Then according to study of theory of design of cross-section and experiences, a few of problems are raised in traditional deign of cross-section. To find a solution to these problems, starting with understanding of road function, this thesis grades road style with new standard, classifies priority of traffic volumes on different type of roads. This thesis also studies and analyzes the elements of cross-section, affords suggestion about each special contents and ideal road standard cross-section which match to practice. By these methods, it can increase the efficiency of road network, improve traffic environment and improve efficiency and service lever of traffic facilities. The study of this thesis can provide a theory base for department of plan, design and management. |