American Association of State Highway and Transportation Officials, A Policy on Geometric Design of Highways and Streets (2001).

This publication may be ordered by contacting the American Association of State Highway and Transportation Officials (AASHTO) at:

Association of State Highway and Transportation Officials

444 North Capitol Street, N.W., Suite 249

Washington, D.C. 20001

(202) 624-5800 telephone

www.transportation.org website