To correctly evaluate the development level of city traffic system can measure adaptability between traffic construction scale and growth level of urban economy ,and can offer the decision basis for development stratagem of city traffic and economy.

• 正确评价城市交通系统的发展水平,可以衡量交通建设规模与城市经济增长水平相适应程度,为城市交通和经济的发展战略提供决策依据。