Journal
TRANSPORTATION RESEARCH PART B-METHODOLOGICAL
Volume 46, Issue 9, Pages 1218-1238Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trb.2012.05.001
Keywords
Dynamic traffic assignment; System optimal; Cell transmission model; Holding-back; Network modeling
Categories
Funding
- US National Science Foundation (NSF) [1017933, 1004528]
- Division Of Computer and Network Systems
- Direct For Computer & Info Scie & Enginr [1004528] Funding Source: National Science Foundation
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Traffic holding-back is considered an undesirable issue in dynamic traffic assignment since the vehicles are artificially held back on links in spite of the availability of downstream capacity. Holding-back occurs naturally in some system optimal dynamic traffic assignment models. In this paper, we focus on the holding back issue in the cell transmission based models and review the current methods of solving holding-back to understand their advantages and drawbacks. Then, we propose improvements to overcome the drawbacks of the current models. Finally, we propose a novel model which completely eliminates holding-back in a system optimal dynamic traffic assignment for traffic networks with multiple O-D pairs. Rigorous numerical results illustrate the benefits of using the proposed models. (C) 2012 Elsevier Ltd. All rights reserved.
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