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《Journal of Transportation Systems Engineering and Information Technology》 2013-01
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Bus OD Matrix Estimation by VISUM Model: Case of Xining of China

CAI Juna,LIU Kai b,LIU Lian-liana(a.School of Architecture & Fine Art;b.School of Transportation and Logistics,Dalian 116024,Liaoning,China)  
The origin-destination(OD) matrix is important for transit line planning and optimizing.It also provides an effective way to get the bus OD matrix data.However,the studies on city's whole transit lines are still very limited.Based on the boarding,alighting and thorough passenger data of every bus line in Xining city,the paper develops a bus OD matrix estimation model with VISUM by the equal alighting probability and probability related to riding distance.In this model,the OD matrix of traffic zone is estimated from each bus line.Then,the reliability of the OD matrix estimation is analyzed by comparison of two kinds of road-passenger flow: one is obtained from traffic assignment,and the other comes from traffic survey of bus line.The result indicates that the OD matrix estimation by method of equal alighting probability is accurate and effective.Finally,it draws the conclusion that the alighting probability at bus stop is influenced by many factors,and its mechanism should be analyzed and used reasonably.
【Fund】: 国家自然科学基金面上项目(51278075);; 国家自然科学基金青年基金(51008050);; 中央高校基金科研业务费专项重点项目(DUT12ZD203)
【CateGory Index】: U491
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