TRB's National Cooperative Highway Research Program (NCHRP) Report 605: Passing Sight Distance Criteria explores current methods for determining minimum passing site distance (PSD) requirements and examines recommendations designed to bring consistency between PSD design standards and pavement marking practices. The report includes specific text recommended for inclusion in the next edition of the American Association of State Highway and Transportation Officials’ A Policy on Geometric Design of Highways and Streets (the “Green Book”).
Project:
Project Information