A capacity related reliability for transportation networks with random link capacity is introduced. It is defined as the probability that the road network can accommodate a certain level of traffic demand, and is built on the concept of network reserve capacity. Network reserve capacity is defined as the largest multiplier applied to an existing origin and destination demand matrix that can be allocated to a transportation network in a user optimal way without violating the link capacities. Due to large variability associated with link capacities, a probabilistic approach is adopted to model the different physical and operational factors that often degrade the capacity of roadways. A Monte Carlo simulation procedure is developed to estimate the capacity related reliability measure. Numerical results are provided to demonstrate the feasibility of the approach.

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  • Corporate Authors:

    Institute for Transportation, Incorporated

    1410 Duke University Road
    Durham, NC  United States  27705
  • Authors:
    • Chen, A
    • Yang, H
    • Lo, H K
    • TANG, W H
  • Publication Date: 1999-8


  • English

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Filing Info

  • Accession Number: 00769686
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 13 1999 12:00AM