 State Route 253 | ||||
|---|---|---|---|---|
 Map of Mendocino County in northwestern California with SR 253 highlighted in red | ||||
| Route information | ||||
| Maintained by Caltrans | ||||
| Length | 17.180 mi[1] (27.649 km) | |||
| Major junctions | ||||
| West end |  SR 128 at Boonville | |||
| East end |  US 101 in Ukiah | |||
| Location | ||||
| Country | United States | |||
| State | California | |||
| Counties | Mendocino | |||
| Highway system | ||||
| ||||
State Route 253 (SR 253), also known as the Ukiah–Boonville Road, is a state highway in the U.S. state of California that runs between the Anderson and Ukiah valleys in Mendocino County. It crosses the mountains of the Mendocino Range from State Route 128 near Boonville to U.S. Route 101 near Ukiah.