Arizona Department of Transportation - Includes maps, construction information, motor vehicle laws, online operators manuals and vehicle registration, crash statistics, and a bridge photo gallery. www.dot.state.az.us
Arizona Roads - State route log and montage of sign goofs from around the country. www.arizonaroads.com/index.htm
The Hoover Dam Bypass Project - The official site for the proposed freeway replacing the narrow 2 lane road (US 93) over the Hoover Dam. www.hooverdambypass.org
