Freight congestion problems are most apparent at bottlenecks on highways: specific physical locations on highways that routinely experience recurring congestion and traffic backups because traffic volumes exceed highway capacity. Bottlenecks are estimated to account for about 40 percent of vehicle hours of delay. The balance--about 60 percent of delay--is estimated to be caused by nonrecurring congestion, the result of transitory events such as construction work zones, crashes, breakdowns, extreme weather conditions, and suboptimal traffic controls. This paper focuses on bottlenecks that cause recurring congestion.


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    Title :

    Initial Assessment of Freight Bottlenecks on Highways. White Paper


    Publication date :

    2005


    Size :

    125 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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