A simple data fusion method for instantaneous travel time estimation

Michael Do, R. Pueboobpaphan, Marc Miska, Masao Kuwahara, Bart van Arem

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Abstract

Travel time is one of the most understandable parameters to describe traffic condition and an important input to many intelligent transportation systems applications. Direct measurement from Electronic Toll Collection (ETC) system is promising but the data arrives too late, only after the vehicles complete their trip. There are several existing models with varying degree of success to indirectly estimate travel time from loop detector. The performance of these models depends significantly on the variation of traffic condition. By closely looking at the time-series of the estimated travel time with the actual travel time, the error was found to follow a specific pattern for each traffic condition. The goal of this research is to develop a simple data fusion between loop detector data and ETC data to make more accurate estimation of instantaneous travel time on expressway corridor. With the error pattern for each traffic condition in mind, it is possible to develop a simple fusion method that can improve the accuracy of travel time estimate even under sparely distributed detectors.
Original languageEnglish
Title of host publication12th WCTR : World Conference on Transport Research, 11-15 July 2010, Lisbon, Portugal : general proceedings
EditorsJ.M. Viegas, R. Macario
Place of PublicationLisbon, Portugal
PublisherWCTR
Pages1-21
Number of pages21
ISBN (Print)978-989-96986-0-4
Publication statusPublished - 1 Jul 2010
Event12th World Conference on Transport Research, WCTR 2010 - Instituto Superior Tecnico, Lisbon, Portugal
Duration: 11 Jul 201015 Jul 2010
Conference number: 12

Publication series

Name
PublisherWCTR

Conference

Conference12th World Conference on Transport Research, WCTR 2010
Abbreviated titleWCTR
CountryPortugal
CityLisbon
Period11/07/1015/07/10

Keywords

  • METIS-266762
  • detector data
  • travel time estimation
  • instantaneous travel time
  • electronic toll collection
  • on-line estimation
  • Data Fusion
  • IR-101494

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