Proven Safety Countermeasures - Road Diets (Roadway Reconfiguration)

2017PDFBriefFHWA-SA-17-066Traffic safetyCountermeasuresDivided highwaysTraffic lanesUnited StatesUnited States. Federal Highway Administration. Office of SafetyUnited States. Federal Highway Administration. Office of SafetyFederal Highway AdministrationA Road Diet typically involves converting an existing four-lane undivided roadway to a three-lane roadway consisting of two through lanes and a center two-way left-turn lane (TWLTL).93