Real-time traffic diversion model: Conceptual approach

A. G. Hobeika, R. Sivanandan, S. Subramaniam, K. Ozbay, Y. Zhang

Research output: Contribution to journalArticlepeer-review


The development of advanced traffic-management systems as a major component of intelligent vehicle/highway systems is targeted to address the complex problem of urban traffic congestion. The strategy includes real-time diversion of traffic during congestion-causing events, by making efficient use of the available capacities in the highway network. A conceptual framework for executing realtime diversions is presented in this paper. The strategy envisages on-line control and management of traffic through control centers and their surveillance equipment. The approach relies on real-time traffic data to detect incidents and develop rerouting plants to benefit motorists. For this purpose, a model has been developed to estimate traveler destinations from traffic data. The dynamic nature of the problem is captured through a traffic assignment/simulationm odel, which can predict traffic conditions that would prevail in the alternate routes. A knowledgebased expert system is also proposed to estimate traffic delays, and to evaluate and choose alternate routes. This research is being applied to the northern Virginia urban area as a case study.

Original languageEnglish (US)
Pages (from-to)515-534
Number of pages20
JournalJournal of Transportation Engineering
Issue number4
StatePublished - Jul 1 1993

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Transportation


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