Dynamic freeway travel-time prediction with probe vehicle data: Link based versus path based

Mei Chen, Steven I.J. Chien

Research output: Contribution to journalArticlepeer-review

163 Scopus citations

Abstract

Short-term travel-time prediction is very important to the real-time traveler information and route guidance system. Various methodologies have been developed for dynamic travel-time prediction. However, most existing studies assume that path travel time is the simple addition of travel times on the consisting links. Through simulation, it is shown that, under recurrent traffic conditions, direct measuring of path-based (or movement-based) travel time rather than link-based travel time could generate a more accurate prediction. Factors that would have an effect on the prediction accuracy are analyzed.

Original languageEnglish
Pages (from-to)157-161
Number of pages5
JournalTransportation Research Record
Issue number1768
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanical Engineering

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