Highway agencies face a dilemma in determining the appropriate balance of resurfacing and safety improvements in their programs to maintain the structural integrity and ride quality of highway pavements. Highway agencies currently lack a tool that would allow them to determine which sites should be resurfaced without accompanying safety improvements and which sites should be resurfaced and improved in other ways that would enhance safety. A resource allocation process that maximizes the benefits from resurfacing and safety improvements within a specified improvement budget can provide such a tool. A resource allocation process that accomplishes this goal has been developed and implemented in a software tool known as the Resurfacing Safety Resource Allocation Program (RSRAP). RSRAP uses an optimization process based on integer programming to determine which improvement alternatives (or combinations of alternatives) would optimize the benefits for a specified set of improvement projects. RSRAP incorporates the best available estimates of the safety effectiveness of specific geometric and safety improvements. RSRAP also gives consideration to the potential effects of resurfacing on vehicle speeds and on safety. The goal of the optimization process is not to optimize safety at any particular site but to optimize systemwide safety for a given set of resurfacing projects while not exceeding a user-specified improvement budget.


    Access

    Download

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Systemwide Optimization of Safety Improvements for Resurfacing, Restoration, or Rehabilitation Projects


    Additional title:

    Transportation Research Record




    Publication date :

    2003-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    Programming Safety Improvements on Pavement Resurfacing, Restoration, and Rehabilitation Projects

    Grile, Cameron / Hunter-Zaworski, Katharine M. / Monsere, Christopher M. | Transportation Research Record | 2005


    Programming Safety Improvements on Pavement Resurfacing, Restoration, and Rehabilitation Projects

    Grile, Cameron / Hunter-Zaworski, Katharine / Monsere, Christopher | Transportation Research Record | 2005


    Programming Safety Improvements on Pavement Resurfacing, Restoration, and Rehabilitation Projects

    Grile, C. / Hunter-Zaworski, K. M. / Monsere, C. M. et al. | British Library Conference Proceedings | 2005