Study on Main Technique in Expansion Project of Expressway

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Chun Xiu Qin


Due to the constraints on the socio-economic, technology and knowledge during the construction time; the early construction of China’s expressway is focus on dual-way four lane, with lower standard. Recently, the rapid economic growth of China has catalyst the rapid growth on the demand of transportation facility, far exceeding than the forecasted traffic volume obtained through transportation planning project. This resulted the increasing of traffic volume on the transport facility built early years, the stuck of the traffic flow and the decreasing on the level of service. This article takes the expansion project of Guangxi Coastal Expressway as case study; investigate on how to optimize the expansion program. The article could be used as a reference in achieving convenience transport facilities, from both aspect of theoretical and practical.


Expressway; Expansion project; Main technique



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