Nevada State Route 431
| Mount Rose Highway | ||||
SR 431 highlighted in red | ||||
| Route information | ||||
| Maintained by NDOT | ||||
| Length | 24.413 mi (39.289 km) | |||
| Existed | 1976–present | |||
| History | SR 27 by 1941, became SR 431 in 1976 | |||
| Major junctions | ||||
| West end | SR 28 in Incline Village | |||
| I-580 / US 395 in Reno | ||||
| East end | US 395 Alt. / SR 341 in Reno | |||
| Location | ||||
| Country | United States | |||
| State | Nevada | |||
| Counties | Washoe | |||
| Highway system | ||||
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State Route 431 (SR 431), commonly known as the Mount Rose Highway, is a 24.413-mile-long (39.289 km) highway in Washoe County, Nevada, that connects Incline Village at Lake Tahoe with Reno. The highway, a Nevada Scenic Byway, takes its name from Mount Rose, which lies just off the highway. Prior to 1976, the highway existed as State Route 27.