This report presents guidance for the selection and design of left-turn accommodations at unsignalized intersections. It includes 11 case studies of typical situations that illustrate the use of the guidance. NCHRP Web-Only Document 193: Development of left-turn lane warrants for unsignalized intersections at http://www.trb.org/Main/Blurbs/168804.aspx provides background on the development of NCHRP Report 745. (Author/publisher)
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