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California State Route 126

State Route 126 (SR 126) is a highway in Ventura and Los Angeles counties, California. The route runs from U.S. Route 101 in Ventura to Interstate 5 in Santa Clarita 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 and San Fernando valleys, the High Desert of Antelope Valley, and Los Angeles.

State Route 126 marker

State Route 126
Map of southern California with SR 126 highlighted in red
Route information
Defined by Streets and Highways Code § 426
Maintained by Caltrans
Length 40.455 mi[1] (65.106 km)
Existed 1934 – present
Major junctions
West end SR 1 / US 101 in Ventura
East end I-5 in Santa Clarita
Counties Ventura, Los Angeles
Highway system
SR 125 SR 127


Route descriptionEdit

SR 126 east of Fillmore
Cyclists along SR 126 near Piru.

SR 126 generally follows the Santa Clara River through the valley, passing through the towns of Fillmore and Santa Paula. The freeway portion of the highway - called the Santa Paula Freeway - begins in Ventura at U.S. Route 101. It proceeds northeast through the city, interchanging with the western end of SR 118 at a grade-separated interchange. SR 126 then passes through the area of agriculture, orchards, and the Saticoy Oil Field to its northeast, continuing through Santa Paula, where it intersects SR 150, and the freeway portion terminates at Hallock Drive. SR 126 continues as a highway thereafter, known as Telegraph Road. This section extends through Fillmore as Ventura Street, where SR 126 meets SR 23. Following this, SR 126 as Telegraph Road encounters the community of Buckhorn, as well as the edge of Piru and the important historical Rancho Camulos.[2]

In Los Angeles County, SR 126 is known as Henry Mayo Drive. The highway continues east to an interchange with I-5. At this interchange the SR 126 designation terminates, and the road continues into Santa Clarita as Newhall Ranch Road.[3]

SR 126 is part of the California Freeway and Expressway System,[4] and is part of the National Highway System,[5] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[6] SR 126 is eligible to be included in the State Scenic Highway System,[7] but it is not officially designated as a scenic highway by the California Department of Transportation.[8]


In the late 1950s, the freeway was originally planned to continue all the way to the Antelope Valley Freeway (SR 14) in what is now Santa Clarita. In the face of anti-development pressure from Ventura County citizens, and suffering from severe financial problems as a result of the 1971 Sylmar earthquake and the late-1970s California tax revolt, Caltrans abandoned these plans. The only remnants of these plans are the two long ramps to and from the Antelope Valley Freeway at the Sierra Highway exit 6A in Santa Clarita.

From 1964 until 2002, a second segment of Route 126 ran from I-5 to State Route 14 through Santa Clarita via Magic Mountain Parkway and what was then called San Fernando Road (now Railroad Avenue from Magic Mountain Parkway to Main Street, all of Main Street, and Newhall Avenue from Main Street to Route 14); it has since been decommissioned.

Newhall Ranch Road in Santa Clarita, a six to eight-lane divided local road,[9] continues from the current terminus of SR 126 at Interstate 5 and roughly follows the original 1958 route to just past Bouquet Canyon Road on the north side of the Santa Clara River.

The city of Santa Clarita constructed the Cross Valley Connector[10] (CVC) to connect SR 126 directly to SR 14. The final CVC section, the bridge over the Santa Clara River, was opened on March 27, 2010. The roadway is now a complete 50-mile (80 km) highway between US 101 and SR 14 with no overlap with I-5 nor the longer drive through Santa Clarita. State maintenance ends at I-5, though, with the road continuing uninterrupted with six lanes to SR 14.

The 1984 Summer Olympics Organizing Committee was allowed to close the freeway portion between Ventura and Santa Paula for cycling practice for the 100 Kilometer Team Trials on two consecutive Thursdays.[11]

Major intersectionsEdit

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see the list of postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.

County Location Postmile
Destinations Notes
VEN 0.00-R34.63
Ventura 0.00 1A   US 101 north (Ventura Freeway / SR 1 north) – San Francisco Access to US 101 south via Victoria Ave.; west end of SR 126; US 101 north exit 66A, south exit 66
0.00 1B Main Street (US 101 Bus.) Westbound exit and eastbound entrance; former US 101
1.45 1C   To US 101 south (Ventura Freeway / SR 1 south) / Victoria Avenue Signed as exit 1 eastbound; signed as "Victoria Ave." only eastbound
2.80 3 Kimball Road
R5.03 5   SR 118 (Wells Road) – Saticoy
R8.91 9 Briggs Road
Santa Paula R10.38 10 Peck Road
R11.37 11 Palm Avenue
R12.04 12   SR 150 (10th Street) – Santa Paula
R13.25 East end of freeway
Fillmore 21.14   SR 23 (A Street) – Moorpark
Los Angeles
LA R0.00-R5.83
R4.89 13 Commerce Center Drive Interchange[15]
R5.46 40 Castaic Junction Closed interchange; former US 99
Santa Clarita R5.83   I-5 (Golden State Freeway) – Los Angeles, Sacramento Interchange; east end of SR 126; I-5 exit 172; road continues as Newhall Ranch Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See alsoEdit


  1. ^ a b c California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015. 
  2. ^ Ventura County Street Atlas (Map). Thomas Brothers. 1998. 
  3. ^ Los Angeles County Street Atlas (Map). Thomas Brothers. 2008. 
  4. ^ California State Legislature. "Section 250–257". Streets and Highways Code. Sacramento: California State Legislature. Retrieved June 9, 2017. 
  5. ^ Federal Highway Administration (March 25, 2015). National Highway System: California (South) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved September 30, 2017. 
  6. ^ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012. 
  7. ^ California State Legislature. "Section 260–284". Streets and Highways Code. Sacramento: California State Legislature. Retrieved June 9, 2017. 
  8. ^ California Department of Transportation (September 7, 2011). "Officially Designated State Scenic Highways and Historic Parkways". Sacramento: California Department of Transportation. Retrieved September 30, 2017. 
  9. ^ Newhall Ranch Road widened to 8 lanes in 2008
  10. ^ Cross Valley Connector
  11. ^ Resolution 84-20, February 27. 1984, City Council of San Buenaventura
  12. ^ California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation. 
  13. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
  14. ^ California Department of Transportation, California Numbered Exit Uniform System, SR-126 Eastbound and SR-126 Westbound, accessed February 2008
  15. ^ "QuickMap". Caltrans. State of California. Retrieved 13 December 2017. 

External linksEdit