“…According to the city statistics, in April 2013, the number of motor vehicles in main urban area of Hangzhou has exceeded 1 million, but the existing parking spaces are only about 400,000; In February 2012, the number of motor vehicles in Beijing more than 5 _______________________ Xiangrong Li, Fuhai Fan, Mingke Zhang, Xianghai Meng, Qingdao University of Science &Technology, Laoshan District Songling Road, Qingdao, Shandong, China, 266061 million, but more than 1.47 million parking spaces, there are more than 1 million parking spaces in the unmanaged state, the parking gap reached 2.5 million. As of March 2012, Tianjin motor vehicle ownership reached 2.665 million and motor vehicles on the growth of more than 30,000; the Tianjin Binhai District is about 600,000 vehicles a day and is growing at an annual rate of 15% a year [1]. Generally, the proportion of urban parking spaces and motor vehicles is about 10% ~ 20%.…”