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Title: Estimation of transit passenger origin-destination matrices from passenger counts in congested transit networks
Authors: Lam, WHK 
Wu, ZX
Keywords: Bi-level programming model
Congested transit networks
O-D estimation
Issue Date: 2004
Source: Operations research/Computer science interfaces series, 2004, v. 28, p. 175-196 How to cite?
Journal: Operations research/Computer science interfaces series 
Abstract: This paper deals with the transit passenger origin-destination (O-D) estimation problem using updated passenger counts and outdated prior O-D matrix while congestion in transit networks is considered. The bi-level programming approach is extended for the transit passenger O-D updating problem where the sum of error measurements in passenger counts and O-D matrices are minimized in the upper level and the stochastic user equilibrium assignment problem is solved in the lower level for congested transit networks. The transit assignment framework is a frequency-based transit assignment model in this paper, which can cater for elastic line frequencies and passenger overload delays due to congestion at transit stations. A heuristic solution algorithm is adapted for solving the transit passenger O-D estimation problem. Finally, a case study on a simplified transit network connecting Kowloon urban area and the Hong Kong International Airport was employed to illustrate the applications of the proposed model and solution algorithm.
ISSN: 1387-666X
DOI: 10.1007/978-1-4757-6467-3
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