【正文】
eets the country’s relevent standards and policies. However, the selection is made with the designer’s overall consideration of the economy, cultrue, environment, pedestrian, safety and roadintersection, and under the premise of not having influence on the public’s life and economic develpement.3. The main points.At present, the line selection in the design of urban road is not only a purely technical proof process of the linebit parison and selection, but also a process of implementing the the same time,it needs the respect for natural environment,the adoption of public opinion,the prudence of demolition works and the consideration of economic interests of the parties, especially the protection for water resources and cultural relics. Only the above points having been finished, the selected road line could receive broad supports,reflect the planning intention, promote local economic development, and improve the function of urban road network. . The implementation of the preplanningThe choice of urban road lines should be based on the reasonable plan of urban land usage and urban road it is necessary to consider both the urban land usage and urban road network. In recent years, with the rapid development of urban construction,the phenomenon that urban planning can not keep up with urban construction frequently appears, which also has led to many reconstruction and waste of resources. How to find a better mode of operation to minimize the losses, is the first issue worthwhile exploring in the urban construction planning. Only having the full knowlegde of preplanning intention and understanding of the funtion of project planning, can people imlpement the planning better.. Respect for natural environmentAccording to the report on China39。 on the basis of environment。s resettlement subsidy policy, and we need to not only safeguard the lawful rights and interests of the demolition parties, but also guarantee the smooth progress of construction projects. The Property Law of People39。if the investment is large, its operability is high. All these make it difficult to set down which one is better. “The Guide for New Concept of Highway Design” which is piled by the Ministry of Transportation has proposed to establish a design concept of “the cost of full lifecycle”,that’s to say, the road lines should be interpared in such stages as construction, maintenance, operation and management,and both the construction cost and operatin