Modeling schedule recovery processes in transit operations for bus arrival time prediction

Wei Hua Lin, Robert L. Bertini

Research output: Contribution to journalArticle

47 Scopus citations

Abstract

Many existing algorithms for bus arrival time prediction assume that buses travel at free-flow speed in the absence of congestion. As a result, delay incurred at one stop would propagate to downstream stops at the same magnitude. In reality, skilled bus operators often constantly adjust their speeds to keep their bus on schedule. This paper formulates a Markov chain model for bus arrival time prediction that explicitly captures the behavior of bus operators in actively pursuing schedule recovery. The model exhibits some desirable properties in capturing the schedule recovery process. It guarantees provision of the schedule information if the probability of recovering from the current schedule deviation is sufficiently high. The proposed model can be embedded into a transit arrival time estimation model for transit information systems that use both real-time and schedule information, It also has the potential to be used as a decision support tool to determine when dynamic or static information should be used.

Original languageEnglish (US)
Pages (from-to)347-365
Number of pages19
JournalJournal of Advanced Transportation
Volume38
Issue number3
DOIs
StatePublished - 2004

ASJC Scopus subject areas

  • Automotive Engineering
  • Economics and Econometrics
  • Mechanical Engineering
  • Computer Science Applications
  • Strategy and Management

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