 State Route 237 | ||||
|---|---|---|---|---|
| Southbay Freeway | ||||
 SR 237 highlighted in red | ||||
| Route information | ||||
| Maintained by Caltrans | ||||
| Length | 11 mi[1] (18 km) | |||
| Existed | 1934–June 30, 1964 (as SR 9) 1964 renumbering–present | |||
| Major junctions | ||||
| West end |  SR 82 in Mountain View | |||
 SR 85 in Mountain View US 101 in Sunnyvale I-880 in Milpitas | ||||
| East end |  I-680 in Milpitas | |||
| Location | ||||
| Country | United States | |||
| State | California | |||
| Counties | Santa Clara | |||
| Highway system | ||||
| ||||
State Route 237 (SR 237) is a state highway in the U.S. state of California that runs from El Camino Real (SR 82) in Mountain View to Interstate 680 in Milpitas. Known as the Southbay Freeway for most of its length, SR 237 runs south of the San Francisco Bay, connecting the East Bay to the Peninsula.