A classic Road Diet converts an existing four-lane undivided roadway segment to a three-lane segment consisting of two through lanes and a center two-way left turn lane (TWLTL). A Road Diet improves safety by including a protected left-turn lane for mid-block left-turning motorists, reducing crossing distance for pedestrians, and reducing travel speeds that decrease crash severity. Additionally, the Road Diet provides an opportunity to allocate excess roadway width to other purposes, including bicycle lanes, on-street parking, or transit stops. This Informational Guide includes safety, operational, and quality of life considerations from research and practice, and guides readers through the decision-making process to determine if Road Diets are a good fit for a certain corridor. It also provides design guidance and encourages post-implementation evaluation.


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    Title :

    Road Diet Informational Guide


    Contributors:
    K. Knapp (author) / B. Chandler (author) / J. Atkinson (author) / T. Welch (author) / H. Rigdon (author) / R. Retting (author) / E. Widstrand (author) / S. Meekins (author) / R. I. Poter (author)

    Publication date :

    2014


    Size :

    74 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Road Diet Informational Guide

    K. Knapp / B. Chandler / J. Atkinson et al. | NTIS | 2014


    Roundabouts: An Informational Guide

    B. W. Robinson / L. Rodegerdts / W. Scarborough et al. | NTIS | 2000