Hoover Dam Access Road Route 172
- DesignationState Byway
- Length2.8 miles
Hoover Dam Access Road or Route 172 exits Interstate 11 and travels just north of the interstate in an easterly direction to the Hoover Dam. Stop by the Hoover Dam security checkpoint for tickets and information before traveling on to the bridge parking area and viewing the Mike O’Callaghan-Pat Tillman Memorial Bridge with its interstate travelers. The Hoover Dam is a little further east. You can drive over the top of it, but there is no stopping. Park in a lot on the Arizona side and walk back to experience the new pedestrian walkway. The Hoover Dam was constructed in 1931-1936 during the Great Depression. It is a concrete arch-gravity dam in the Black Canyon of the Colorado River at the border between Nevada and Arizona.
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