 State Route 126 | ||||
|---|---|---|---|---|
 SR 126 highlighted in red | ||||
| Route information | ||||
| Maintained by Caltrans | ||||
| Length | 40.455 mi[1] (65.106 km) | |||
| Existed | 1934–present | |||
| Major junctions | ||||
| West end |  US 101 in Ventura | |||
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| East end |  I-5 at the Castaic Junction-Santa Clarita border | |||
| Location | ||||
| Country | United States | |||
| State | California | |||
| Counties | Ventura, Los Angeles | |||
| Highway system | ||||
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State Route 126 (SR 126) is a state highway in the U.S. state of California that serves Ventura and Los Angeles counties. The route runs from U.S. Route 101 in Ventura to Interstate 5 at the Castaic Junction-Santa Clarita border through the Santa Clara River Valley. The highway is an important connector highway in Ventura County, and serves as an alternate route into the Santa Clarita Valley, and (via Interstate 5) the San Fernando Valley area of Los Angeles and the High Desert of Antelope Valley.