Optimal starting location of an HOV lane for a linear monocentric urban area

Chih Peng Chu*, Jyh Fa Tsai, Shou-Ren Hu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


This paper analyzes the optimal starting location of a high-occupancy-vehicle (HOV) lane for a linear monocentric urban area. Both travel time and carpooling costs are taken into account. The research proposes an analytical framework for the case with a continuum demand distribution along a highway corridor. The objective is assumed to maximize social welfare of the transportation system, which is the difference between the total user benefit and travel cost. Numerical analysis via simulation experiments was conducted to seek the existence of an optimal solution. Based on the results of a sensitivity analysis, we find a specific relationship between the carpooling cost and the optimal design of the starting point of an HOV lane.

Original languageEnglish
Pages (from-to)457-466
Number of pages10
JournalTransportation Research Part A: Policy and Practice
Issue number3
StatePublished - 1 Mar 2012


  • Carpooling
  • HOV lane
  • Optimal starting location

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