Nevada State Route 172
| Hoover Dam Access Road | ||||
SR 172 highlighted in red | ||||
| Route information | ||||
| Maintained by NDOT | ||||
| Length | 1.351 mi (2.174 km) | |||
| Existed | October 19, 2010–present | |||
| Major junctions | ||||
| West end | I-11 / US 93 / US 93 Bus. northeast of Boulder City | |||
| East end | Hoover Dam Access Road west of Hoover Dam | |||
| Location | ||||
| Country | United States | |||
| State | Nevada | |||
| County | Clark | |||
| Highway system | ||||
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State Route 172 (SR 172) is a state highway in Clark County, Nevada. The route provides access to Hoover Dam from Interstate 11 (I-11)/U.S. Route 93 (US 93)/U.S. Route 93 Business.