California State Route 27

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"CA 27" redirects here. For the congressional district, see California's 27th congressional district.

State Route 27 marker

State Route 27
Topanga Canyon Boulevard
Route information
Defined by S&HC § 327
Maintained by Caltrans
Length: 19.974 mi[1] (32.145 km)
Existed: 1963[1] – present
Major junctions
South end: SR 1 at Topanga Beach
  US 101 in Woodland Hills
North end: SR 118 in Chatsworth
Highway system
SR 26 SR 28

State Route 27 is a state highway in the U.S. state of California that runs from Pacific Coast Highway (PCH) at Topanga State Beach near Pacific Palisades, through Topanga Canyon including the community of Fernwood Pacific also known as Topanga, and continuing through Woodland Hills, Canoga Park, West Hills, and Chatsworth to Ronald Reagan Freeway. The entire route is commonly known by its street name, Topanga Canyon Boulevard.

As one of the only routes across the Santa Monica Mountains, Route 27 is heavily traveled by commuters from the western San Fernando Valley heading to Santa Monica or Interstate 10.[citation needed]

Route description[edit]

SR 27 is eligible for the State Scenic Highway System.[2] However, it is not officially part of the system as designated by Caltrans.[3]

SR27 looking south from Stoney Point.

SR 27 begins at SR 1 right next to the Pacific Ocean and Topanga County Beach, in an unincorporated area of Los Angeles County between Malibu and Castellammare. It travels north as Topanga Canyon Boulevard, cutting through Topanga State Park. Upon exiting the park, SR 27 provides access to Fernwood, Topanga, Sylvia Park, and Glenview, all unincorporated. SR 27 continues winding into the San Fernando Valley, nearly entering Calabasas before entering the Los Angeles community of Woodland Hills. The route becomes a major city arterial through the valley, intersecting US 101 before entering Warner Center and Canoga Park. After traversing Chatsworth, SR 27 ends just past an interchange with the SR 118 freeway, thus providing access to the unincorporated area north of Chatsworth.[4]

Metro Local line 245 runs on Topanga Canyon Boulevard.[citation needed]


Major intersections[edit]

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, and do not necessarily reflect current mileage. R reflects a realignment in the route since then.[1] The entire route is in Los Angeles County.

Location Postmile
Destinations Notes
  0.00 SR 1 (Pacific Coast Highway) – Malibu, Santa Monica South end of SR 27
Los Angeles 11.06 Mulholland Drive Former SR 268
12.28 Ventura Boulevard Former US 101 and US 101 Bus.
12.43 US 101 (Ventura Freeway) – Ventura, Los Angeles Interchange
  Victory Boulevard
14.05 Vanowen Street
14.55 Sherman Way
15.83 Roscoe Boulevard
18.63 Devonshire Street – San Fernando
20.06 SR 118 (Ronald Reagan Freeway) Interchange; north end of SR 27
20.06 Poema Place, Mayan Drive Continuation beyond SR 118
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c d Staff. "State Truck Route List" (XLS file). California Department of Transportation. Retrieved August 21, 2012. 
  2. ^ CA Codes (shc:260-284)
  3. ^ "Officially Designated State Scenic Highways and Historic Parkways". California Department of Transportation. December 7, 2007. Retrieved June 22, 2011. 
  4. ^ Thomas Brothers (2008). Los Angeles County Road Atlas (Map).
  5. ^ California Department of Transportation, Log of Bridges on State Highways, July 2007
  6. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006

External links[edit]

Route map: Google / Bing