Abstract: With the economic prosperity in Chinese cities, private automobile is on the rapid rise. For grasping the development trends of urban traffic in China， the authors analyse the changes of travel instruments, road infrastructure and person travel based on the detailed data over the past two decades. The trends can be concluded that the automobile ownerships will keep on rapid growth, esp. the increase of private passenger car; bicycle trips have been falling down since the middle of 1990s and public transport trips also somew hat drop off; road infrastructures are constructed and reconstructed at low increase rate compared with the growth rate of the automobile ownerships.According to chinese cities， the average trip rate increases with the socio-economic development and declines with the expanding of city size.