| Sutcliffe–Nixon Road | ||||
SR 446 highlighted in red | ||||
| Route information | ||||
| Maintained by NDOT | ||||
| Length | 13.156 mi (21.173 km) | |||
| Existed | July 1, 1976–present | |||
| Tourist routes | ||||
| Major junctions | ||||
| West end | ||||
| East end | ||||
| Location | ||||
| Country | United States | |||
| State | Nevada | |||
| County | Washoe | |||
| Highway system | ||||
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State Route 446 (SR 446) is a 13.156-mile-long (21.173 km) state highway serving Washoe County, Nevada. The route runs from SR 445 (Pyramid Lake Road) to SR 447 (Gerlach Road) at the town of Nixon.

SR 446 became a Nevada Scenic Byway on June 27, 1996 and was designated part of the Pyramid Lake National Scenic Byway on July 15 of that year.
The entire route is in Washoe County.
| Location | mi | km | Destinations | Notes | |
|---|---|---|---|---|---|
| | 0.000 | 0.000 | Western terminus | ||
| Nixon | 13.156 | 21.173 | Eastern terminus | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||