Estimation of multiclass origin-destination matrices from traffic counts

S. C. Wong*, C. O. Tong, Ka-Io Wong, W. H.K. Lam, H. K. Lo, H. Yang, H. P. Lo

*Corresponding author for this work

Research output: Contribution to journalArticle

23 Scopus citations


This paper presents a procedure for the estimation of multiclass origin-destination (O-D) matrices for a highway network. The system consists of a number of vehicle classes. Demand is assigned to the network in a user equilibrium manner. An entropy maximization procedure is proposed to simultaneously estimate the O-D demand matrices of all vehicle classes, which are consistent with the multiclass traffic counts that are observed directly in the network. A case study of the Hong Kong highway network demonstrates the effectiveness of the proposed methodology for a real large-scale network. Journal of Urban Planning and Development

Original languageEnglish
Pages (from-to)19-29
Number of pages11
JournalJournal of Urban Planning and Development
Issue number1
StatePublished - 1 Mar 2005


  • Highway management
  • Traffic analysis
  • Traffic assignment
  • Traffic congestion
  • Transportation models
  • Transportation planning

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