This paper proposes an integrated approach for joint planning of road maintenance activities and drivers route choices to minimize the overall fuel consumption of network. A generalized travel cost function is developed, considering the impact of pavement roughness on traffic assignment. The problem is formulated as a bi-level mixed-integer non-linear programing model, where the upper level aims to achieve minimal fuel consumption by conducting various maintenance methods on diverse roads and the lower level follows a traditional user equilibrium problem. A piece-wise linear approximation method and Karush–Kuhn–Tucker conditions are utilized to reformulate this problem into an equivalent linear single-level one. The transformed programing is then solved by branch-and-cut algorithm. A numerical case study in Shanghai is conducted to demonstrate the effectiveness of this model and draw implications for road maintenance.


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    Title :

    Optimal Maintenance Scheduling for Minimizing the Network Fuel Consumption


    Contributors:
    Liu, Cheng-Long (author) / Du, Yu-Chuan (author) / Song, Yang (author)

    Conference:

    17th COTA International Conference of Transportation Professionals ; 2017 ; Shanghai, China


    Published in:

    CICTP 2017 ; 3094-3105


    Publication date :

    2018-01-18




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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