开发城市地下快速公路需尽早起动

概括了人类交通方式随着技术发展的变化，城市交通状况发展的趋势和开发地下交通的必然性。分析了地下轨道交通的特点、地下公路网的特点以及两者在城市发展中的作用。探讨了地下快速公路的可行性以及地下快速公路网的安全性，进行了地下快速公路网的投资和回报分析，指出需要在城市规划中考虑快速地下公路网。

Urgency of Highway Exploitation in the Urban Underground Space

In this article the changes of traffic forms due to the technology development, the direction of the city traffic development and the necessity of the exploitation of underground traffic are med. Not only analysed the characteristics of the railway and the network of the road in the underground are, but their effect on the city development aw well. Besides, the feasibility and the security of the underground traffic are discussed and the investment and profit of the underground highway network are analyzed. Finally, in this paper it is suggested that in the city planning the underground highway network should be considered .