The Research about Line 3 and Line 4 run Independently Transformed of Shanghai Urban Rail Transit
Aiqin Sun, Zhigang Liu, Hua Hu

Abstract
As Shanghai rail network has been basically completed and its growth in passenger traffic, the situation about Line 3 and Line 4 collinear run has become a bottlenecks that constraint to improve overall network transport. This paper will be based on the analysis of the basic situation of Shanghai Rail Transit Network and Line 3 and Line 4 collinear running status, pointing out the drawbacks of Collinear run, which proposed the necessity and importance of the transformation to change the situation that Line 3 and Line 4 operate independently. And it will give the corresponding suggestions and measures.

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