Highway traffic state estimation and prediction considering measurement errors and traffic uncertainty

Chung-Cheng Lu, J. B. Sheu, M. Y. Hsieh

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

2 Scopus citations

Abstract

Most previous traffic state estimation and prediction approaches assume measurements from detectors are precise and represent traffic state of interest with a single value (e.g., the travel time from city A to B is 30-min). However, in most traffic systems, measurements are subjected to some level of errors. Further, single-value representation of traffic state does not adequately convey traffic uncertainty to road users nor effectively assist them in making departure time and route decisions. To deal with these two issues, this research uses intervals to represent uncertain measurement data and traffic states (e.g., the travel time from city A to B is between 25 and 35 minutes) and adopts the Interval Kalman Filter method to predict short-term highway traffic states. The method is applied to predict traffic density intervals on National Highway No. 5 in Taiwan. The result shows the proposed approach is effective in predicting highway traffic state intervals.

Original languageEnglish
Title of host publicationProceedings of the 18th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2013 - Travel Behaviour and Society
PublisherHong Kong Society for Transportation Studies Limited
Pages607-616
Number of pages10
ISBN (Print)9789881581426
StatePublished - 1 Jan 2013
Event18th International Conference of Hong Kong Society for Transportation Studies on Travel Behaviour and Society, HKSTS 2013 - Hong Kong, Hong Kong
Duration: 14 Dec 201316 Dec 2013

Publication series

NameProceedings of the 18th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2013 - Travel Behaviour and Society

Conference

Conference18th International Conference of Hong Kong Society for Transportation Studies on Travel Behaviour and Society, HKSTS 2013
CountryHong Kong
CityHong Kong
Period14/12/1316/12/13

Keywords

  • Interval Kalman filter
  • Measurement errors
  • Traffic prediction
  • Traffic uncertainty

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