Landscaping of highway medians at intersections : summary.

PDFTech ReportBDK84 977-19MediansIntersectionsLandscape designTreesDesign standardsState of the practiceHighway factors in accidentsFloridaFlorida. Dept. of TransportationLin, Pei-SungUniversity of South Florida. Center for Urban Transportation ResearchNTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATIONNTL-SAFETY AND SECURITY-Highway SafetyUS Transportation CollectionThe most obvious benefit of landscaped medians is highway beautification, but they have also been found to enhance safety. Landscaping helps define turn lanes and crosswalks, adding to roadway safety.Placement and specifications of highway landscaping components are subject to rules that vary among states. Nationally, the Policy on Geometric Design of Highway and Streets from the American Association of State Highway and Transportation Officials (AASHTO) provides general guidance on landscaping and requires an unobstructed view for drivers. In Florida, detailed highway landscaping practice is governed by the Florida Department of Transportation (FDOT) Standard Index 546 (SI-546), which serves as FDOT\ue2\u20ac\u2122s interpretation of AASHTO policy