Most of the rural highways in the United States of America are two-lane, two-way highways. In order to ensure smooth flow of traffic, maximum-passing opportunities must be provided on these highways, where the fast moving vehicles can overtake slow mowing vehicles. However, due to the geometric characteristics of the highways and cost limitations, passing opportunities cannot be provided throughout the length of the entire highway. Hence there is a need to find the segments of the highway that are not safe for overtaking called no passing zones. The accurate placement of no passing zones on two-lane highways is critical to ensure safety of the travelers and also to protect the department of transportations of various states from lawsuits. Literature review shows that current methods used to mark the passing zones and no passing zones are very tedious and time consuming. The objective of this study was to develop a suitable model for measuring passing sight distance on two-lane, two-way highways using Global Positioning System (GPS) data and identify no passing zones.


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    Title :

    Automated Calculation of Passing Sight Distance Using Global Positioning System Data


    Contributors:
    S. R. Namala (author) / M. J. Rys (author)

    Publication date :

    2006


    Size :

    77 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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