Preliminary Planning About Freeway Construction Project From Ziyun To Wangmo

The freeway construction project from Ziyun to Wangmo is "fifth longitudinal" end of the Chishui to wangmo in Guizhou province "678" highway network,which is an important provincial logistics channel for the southwest of Guizhou province across "China-asean free trade area".The implementation of the project for guizhou province to speed up the construction of Yunnan Guangxi and Guizhou provinces junction trade logistics center position,promote the desertification concentrated destitute areas poverty alleviation and development to create a good condition.In this context,Nanrao city engineering construction are put forward to meet the needs of the transit traffic,this paper research content mainly is the preliminary planning study about Nanrao city highway engineering.The paper will clear up and analyze comprehensive transportation road network and economic situation in status quo year and programming year according to comprehensive transportation planning and economic conditions about the study area in status quo year;Using the classic four steps,to the study area flow monitoring by setting survey spot,then forecasting passenger and freight traffic volume respectively;According to the forecast results of traffic volume,technical standard in various parameters are selected;According to the geological conditions on the study area,the start and end points of rout is chosen using the double-plan,the route corridor with the value of multiple route scheme has carried on the comprehensive analysis of the project demonstration together with road network planning,town planning,the industrial structure of the present situation and planning,resource distribution;According to the situation for the construction of scheme combined with geological,economic,and has carried on the comprehensive technical and economic index analysis,carries on the comparison and demonstration to the same depth,completed the project investment estimation and economic evaluation.In this paper,according to the specific circumstances of the Shijiazhuang Nanrao city freeway project,the project feasibility is studied.The results provides massy foundation for freeway engineering of Shijiazhuang Nanrao city.