California State Route 135

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State Route 135 marker

State Route 135
Map of Santa Barbara County in southern California with SR 135 highlighted in red
Route information
Defined by Streets and Highways Code § 435
Maintained by Caltrans
Length: 21 mi[1] (34 km)
(Does not include overlaps with SR 1 and US 101 Bus.)
Major junctions
South end: US 101 at Los Alamos
North end: US 101 / SR 166 in Santa Maria
Counties: Santa Barbara
Highway system
SR 134 SR 136

State Route 135 is a state highway in the U.S. state of California, entirely within Santa Barbara County, and is basically a bypass of U.S. Route 101 in northern Santa Barbara County between the town of Los Alamos and the city of Santa Maria.

Route description[edit]

Entering Los Alamos on Route 135 (Bell Street) looking southbound, near its southern terminus
Route 135 as Broadway in Santa Maria near its northern terminus, looking southbound

SR 135 starts off as Bell Street in Los Alamos and goes along with Vandenberg Road after an intersection with Harris Grade Road before merging with State Route 1 south of Orcutt. There is a brief freeway portion at the northern split of SR 135 and SR 1, but it quickly reverts to a city street upon crossing Clark Avenue. North of Santa Maria Way, it is considered Business US 101, although signage is poor. SR 135 continues its northbound journey as Broadway and passes through the Santa Maria Town Center shopping center at the intersection with Main Street (State Route 166). SR 135 meets US 101 again just before crossing the Santa Maria River at the Santa Barbara/San Luis Obispo county line.[citation needed]


State Route 135 is the original routing for US 101 from Santa Maria to Los Alamos until the current alignment was completed in 1933. But instead of turning east just before old town Orcutt and then north into Santa Maria as it does currently, it continued north along what is now Graciosa road and then Marcum Street linking up with E. Clark Avenue just north of the Orcutt water tower. It then followed Clark Avenue east through old Orcutt and turned north on Orcutt Road at the location of the current Highway 135/Clark Avenue interchange and headed north through Santa Maria.

Route 135 was created in 1964 to encompass most of the old routing.[2][3]

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 entire route is in Santa Barbara County.

Location Postmile
Destinations Notes
Los Alamos 0.00 US 101 – Santa Maria, San Francisco, Santa Barbara, Los Angeles Interchange; south end of SR 135; US 101 exit 154
1.00 Bell Street Former US 101 north
M9.10 Harris Grade Road – Lompoc Former SR 1 south (Restricted area for trucks and autos with trailers that are over 30 feet long).
M9.61 San Antonio Road – Vandenberg AFB
R31.04[N 1]
SR 1 south – Vandenberg AFB, Lompoc Interchange; south end of SR 1 overlap; southbound right exit and northbound entrance; former CR S20 south
  South end of freeway on SR 1
R34.78[N 1]
SR 1 north – Guadalupe Interchange; North end of SR 1 overlap; northbound left exit and southbound entrance
Orcutt R10.41 17 Clark Avenue – Orcutt
  North end of freeway
Santa Maria 13.00
US 101 Bus. south (Santa Maria Way) to US 101 / St. Andrews Way
South end of US 101 Bus. overlap
13.54 Betteravia Road
14.78 Stowell Road
15.77 SR 166 (Main Street) – Guadalupe
16.77 Donovan Road
17.81 US 101 / SR 166 Interchange; north end of US 101 Bus. overlap; north end of SR 135; US 101 exit 173
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. ^ a b Indicates that the postmile represents the distance along SR 1 rather than SR 135.

See also[edit]


External links[edit]

Route map: Bing / Google

KML is from Wikidata