Increasing axle weight limits will generally result in higher pavement costs, since pavement costs increase sharply with axle weight. However, past studies of truck size and weight limits have generally found that the increase in pavement costs would be much less than the decrease in goods movement costs associated with higher axle weights. Conversely, reducing axle weight limits (or eliminating grandfather exemptions to federal axle weight limits) would result in lower pavement costs; however, the savings would be much less than the increase in goods movement costs. The Truck Weight Study found that the elimination of all grandfather exemptions would reduce pavement costs by $210 million per year. However, the cost of goods movement would be increased by $7,760 million per year if all grandfather exemptions were eliminated.


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    Title :

    Comprehensive Truck Size and Weight (TS&W) Study, Phase 1-Synthesis. Bridges and Truck Size and Weight Regulations. Working Paper 4


    Publication date :

    1995


    Size :

    34 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English