Turning lanes are provided on uncontrolled approaches of rural intersections to improve the safety and efficiency of traffic operations on these approaches. But, there are not generally accepted guidelines that define the circumstances under which the cost of these lanes are justified by the benefits they provide. The objectives of this research were: (1) to evaluate the safety and operational effects of left-turn, right-turn and fly-by lanes on uncontrolled approaches of intersections on rural two-lane highways, (2) to develop a methodology for evaluating the cost-effectiveness of these lanes; and (3) to use this methodology to develop guidelines for the cost-effective use of these lanes.


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    Title :

    Cost-Effectiveness Evaluation of Turning Lanes on Uncontrolled Approaches of Rural Intersections


    Contributors:
    P. T. McCoy (author) / W. J. Hoppe (author) / D. V. Dvorak (author)

    Publication date :

    1984


    Size :

    195 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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