A Policy on Geometric Design of Rural Highway: American Association of State Highway Officials

Features the then current design research, standards, and practices for rural highway and street geometric design. It provides guidance to highway engineers and designers who strive to make unique design solutions that meet the needs of highway users. It is also intended as a comprehensive reference manual to assist in administrative, planning, and educational efforts pertaining to design formulation. Design guidelines are included for freeways, arterials, collectors, and local roads, in both urban and rural locations, paralleling the functional classification used in highway planning, Grade Separations and Interchanges.