城市道路交通拥堵问题是目前国内外许多大中城市的管理难题,深圳作为改革开放的前沿城市,同样面临着这一难题。至2013年5月底,广东省深圳市机动车保有量达到238.7万辆,其中汽车为234.6万辆,居全国第三。深圳市每公里道路的车辆密度超过360辆,居全国之首,远远超过每公里270辆的国际警戒值。近年来,深 Traffic congestion in urban roads is a management challenge in many large and medium-sized cities both at home and abroad. As a leading city for reform and opening up, Shenzhen faces the same problem. By the end of May 2013, the number of motor vehicles in Shenzhen, Guangdong Province reached 2,387,000, of which 2,346,000 were automobiles, ranking the third in the country. The density of vehicles per kilometer of roads in Shenzhen exceeds 360 vehicles, ranking the first in the country and far exceeding the international alert value of 270 vehicles per kilometer. In recent years, deep