Warrants for the installation of separate left-turn lanes were developed. Literature was reviewed, and policies and practices in other states were surveyed. Accident analyses of locations with and without separate left-turn lanes were conducted. Computer simulation was used to determine the relationship between and among traffic delay and load factor and traffic volume, percent left-turns, cycle length, and cycle split. The relationship between left-turn accidents and conflicts was investigated. Warrants were developed involving the following three general areas: (1) accident experience, (2) volumes (based on delay), and (3) traffic conflicts.


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    Title :

    Development of Warrants for Left-Turn Lanes


    Contributors:
    K. R. Agent (author)

    Publication date :

    1979


    Size :

    42 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English