A theory that can explain even some of the more puzzling aspects of freeway traffic flow is tested here. Some of the observations furnished to this end pertain to dynamic features of traffic that have not been previously verified with data. These include findings that ( a) freeway traffic can enter a semicongested state marked by a fast-moving queue in the passing lane with unqueued flow in the shoulder lane; ( b) the possible devolution of traffic to a fully congested state when vehicle speeds in the passing lane drop below those in the shoulder lane supports the contention that freeway capacity reductions can be caused by loss of driver motivation; and ( c) the transition between semicongested and fully congested traffic can propagate upstream at velocities much higher than those of ordinary kinematic waves. These and other findings are in agreement with the theory, which suggests that the theory is a reasonable description of certain driver behavior.


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    Title :

    Test of Theory of Driver Behavior on Homogeneous Freeways


    Additional title:

    Transportation Research Record: Journal of the Transportation Research Board


    Contributors:


    Publication date :

    2004-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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