California State Route 126

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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
Length40.455 mi[1] (65.106 km)
Major junctions
West end US 101 in Ventura
East end I-5 in Santa Clarita
CountiesVentura, Los Angeles
Highway system
California 125.svg SR 125California 127.svg SR 127

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 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 Valley, and (via Interstate 5) the San Fernando Valley area of Los Angeles and the High Desert of Antelope Valley.

Route description[edit]

SR 126 westbound as seen near the Ventura County line.
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, known as 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 areas 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]

The stretch of SR 126 between Santa Paula and the Los Angeles County line has seen an unusually high amount traffic fatalities and other injurious accidents. Head-on collisions were very frequent on the older, curvy, two-laned sections, earning this portion of the road it's nickname, "Blood Alley". An article from the Los Angeles Times in 1996, noted 34 fatalities between 1990 and 1994.[3] Though the highway has since been improved in most areas, traffic fatalities are still quite common. [4]

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.[5]

SR 126 is part of the California Freeway and Expressway System,[6] and is part of the National Highway System,[7] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[8] SR 126 is eligible to be included in the State Scenic Highway System,[9] but it is not officially designated as a scenic highway by the California Department of Transportation.[10]


Original plans[edit]

In 1958, the freeway was originally planned to follow the northern banks of the Santa Clara River, connecting US 101 to US 99 (I-5 today) and US 6 (SR 14 today) through what is now Santa Clarita. In the mid-1960s, construction of the 4-lane freeway began immediately northeast of Oxnard at US 101 and immediately east of Santa Clarita at US 6.

Freeway revolts[edit]

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 its plans. The freeway, which by then had reached Santa Paula, terminates at a four-way intersection immediately east of the city. From there, a 4-lane undivided highway continues on toward I-5. The eastern approach of SR 126 was abandoned midway through the interchange's construction at SR 14. Two long on-ramps and a large graded plateau are all that remain of the approach.

The only remnants of these plans are the two long ramps to and from SR 14 at the Sierra Highway interchange (exit 6A) in Santa Clarita, and Newhall Ranch Road, a six to eight-lane divided local road that 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. Newhall Ranch Road changes to Golden Valley Road 1.75 miles east of Bouquet Canyon Road, and continues to SR 14, roughly one mile south of the original planned terminus of SR 126.

1984 Summer Olympics[edit]

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]

Cross Valley Connector[edit]

On March 27, 2010, the City of Santa Clarita completed the decade-long Cross Valley Connector (CVC)[12] project, which sought to connect SR 126 directly to SR 14 roughly along the original route alignment. The city-maintained route is named Newhall Ranch Road on the western segment, and Golden Valley Road on the eastern segment. The two segments meet at the intersection of Newhall Ranch Road and Golden Valley Road, where Golden Valley Road turns and continues northeast.


In 2017, Caltrans began construction along the 1.75-mile eastern end of SR 126, upgrading the 6-lane divided highway to an 8-lane freeway. A new interchange replaced the traffic signal at Commerce Center Drive.[13]

Major intersections[edit]

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.

VEN 0.00-R34.63
Ventura0.001A US 101 north (Ventura Freeway / SR 1 north) – San FranciscoAccess to US 101 south via Victoria Ave.; west end of SR 126; US 101 north exit 66A, south exit 66
0.001BMain Street (US 101 Bus.)Westbound exit and eastbound entrance; former US 101
1.451C Victoria Avenue to US 101 south (Ventura Freeway / SR 1 south)Exit 1 eastbound
2.803Kimball Road
R5.035 SR 118 east (Wells Road) – Saticoy
R8.919Briggs Road
Santa PaulaR10.3810Peck Road
R11.3711Palm Avenue
R12.0412 SR 150 west (10th Street) – Santa Paula
R13.25East end of freeway
Fillmore21.14 SR 23 south (A Street) – Moorpark
Los Angeles
LA R0.00-R5.83
R4.8913Commerce Center DriveInterchange completed; 2017[17]
R5.4640Castaic JunctionClosed interchange; former US 99
Santa ClaritaR5.83 I-5 (Golden State Freeway) – Los Angeles, SacramentoInterchange; 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 also[edit]


  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. ^
  4. ^
  5. ^ Los Angeles County Street Atlas (Map). Thomas Brothers. 2008.
  6. ^ "Article 2 of Chapter 2 of Division 1 of the California Streets & Highways Code". California Office of Legislative Counsel. Retrieved January 21, 2019.
  7. ^ 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.
  8. ^ 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.
  9. ^ "Article 2.5 of Chapter 2 of Division 1". California Streets & Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
  10. ^ California Department of Transportation (August 2019). "Officially Designated State Scenic Highways and Historic Parkways" (XLSX). Sacramento: California Department of Transportation. Retrieved September 30, 2017.
  11. ^ Resolution 84-20, February 27. 1984, City Council of San Buenaventura
  12. ^ "Cross Valley Connector". Archived from the original on 2009-03-09. Retrieved 2009-05-01.
  13. ^
  14. ^ California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  15. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
  16. ^ California Department of Transportation, California Numbered Exit Uniform System, SR-126 Eastbound and SR-126 Westbound, accessed February 2008
  17. ^ "QuickMap". Caltrans. State of California. Retrieved 13 December 2017.

External links[edit]

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