This report presents guidelines that will be of use to state departments of transportation, local governments, and consultants for the geometric design of driveways. It contains driveway-related terms and definitions, basic geometric controls, a summary of access spacing principles, and detailed discussions of various geometric design elements. Material related to and supporting the contents of this publication, including an extensive review of literature, can be found in NCHRP Web-Only Document 151: Geometric Design of Driveways. (Author/publisher)
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