State Route 154 (SR 154) (also known as the
Chumash
Chumash may refer to:
*Chumash (Judaism), a Hebrew word for the Pentateuch, used in Judaism
*Chumash people, a Native American people of southern California
*Chumashan languages, Indigenous languages of California
See also
* Pentateuch (dis ...
Highway or unofficially as San Marcos Pass Road after the signage) is a
state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either Route number, numbered or maintained by a sub-national state or province. A road numbered ...
in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...
of
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
that runs from
Los Olivos to
Santa Barbara, crossing the
San Marcos Pass
San Marcos Pass (Chumash: ''Mistaxiwax'') is a mountain pass in the Santa Ynez Mountains in southern California.
It is traversed by State Route 154. The pass crosses the Santa Ynez through a southwestern portion of Los Padres National Forest, ...
in the
Santa Ynez Mountains
The Santa Ynez Mountains are a portion of the Transverse Ranges, part of the Pacific Coast Ranges of the west coast of North America. It is the westernmost range in the Transverse Ranges.
The range is a large fault block of Cenozoic age created ...
. Before
U.S. Route 101
U.S. Route 101, or U.S. Highway 101 (US 101), is a major north–south highway that traverses the states of California, Oregon, and Washington on the West Coast of the United States. It is part of the United States Numbered Highway Syst ...
was built through the
Gaviota Pass, SR 154 was the main throughway to Santa Barbara and the
tri city area including use as a
stagecoach
A stagecoach (also: stage coach, stage, road coach, ) is a four-wheeled public transport coach used to carry paying passengers and light packages on journeys long enough to need a change of horses. It is strongly sprung and generally drawn by ...
route in early years. After being replaced by US 101 as the primary route between the
Santa Ynez Valley
The Santa Ynez Valley ( Spanish: ''Valle de Santa Ynez'') is located in Santa Barbara County, California, between the Santa Ynez Mountains to the south and the San Rafael Mountains to the north. The Santa Ynez River flows through the valley f ...
and Santa Barbara, SR 154 now serves as a scenic bypass.
Route description

It is a two-lane road with some passing lanes, with the highest altitude being 2000 ft. It rivals US 101 for traffic, but it goes through the
Los Padres National Forest
Los Padres National Forest is a United States national forest in Southern California, southern and central California. Administered by the United States Forest Service, Los Padres includes most of the mountainous land along the California coast ...
and the
San Marcos Pass
San Marcos Pass (Chumash: ''Mistaxiwax'') is a mountain pass in the Santa Ynez Mountains in southern California.
It is traversed by State Route 154. The pass crosses the Santa Ynez through a southwestern portion of Los Padres National Forest, ...
. It starts in Los Olivos as a
spur
A spur is a metal tool designed to be worn in pairs on the heels of riding boots for the purpose of directing a horse or other animal to move forward or laterally while riding. It is usually used to refine the riding aids (commands) and to ba ...
from US 101, goes through the town, and then the end of
SR 246 at
Santa Ynez
Santa Ynez ( ; Spanish for "St. Agnes", originally spelled ''Santa Inés'') is an unincorporated community in the Santa Ynez Valley of Santa Barbara County, California, United States.
The population was 4,505 at the 2020 census, up from 4,418 a ...
. It then reaches
Lake Cachuma
Cachuma Lake is a reservoir in the Santa Ynez Valley of central Santa Barbara County, California on the Santa Ynez River adjoining the north side of California State Route 154. The artificial lake was created by the construction of Bradbury ...
and passes through the Los Padres National Forest, and across the
Cold Spring Canyon Arch Bridge
The Cold Spring Canyon Arch Bridge in the Santa Ynez Mountains links Santa Barbara, California with Santa Ynez, California. The bridge is signed as part of California State Route 154, State Route 154.
It is currently the highest arch bridge in ...
, where
Cold Spring Tavern is on Stagecoach Road which passes below the bridge. Nearby it crosses Camino Cielo Road to the east and west, then the intersection of Painted Cave Road and Old San Marcos Road before descending to Santa Barbara. It then briefly becomes a
super-two freeway and passes an interchange for
SR 192 (named Foothill Road to the east and Cathedral Oaks Road to the west of SR 154), before stopping at
Calle Real and a southbound onramp to
US 101
U.S. Route 101, or U.S. Highway 101 (US 101), is a major north–south highway that traverses the states of California, Oregon, and Washington on the West Coast of the United States. It is part of the United States Numbered Highway Syst ...
and ending at the point where State Street to the east becomes Hollister Avenue to the west.
SR 154 is part of the
California Freeway and Expressway System
The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both state highways and federal highways in California. It was defined by Article 2 (comme ...
,
and a portion in Santa Barbara is part of the
National Highway System,
a network of highways that are considered essential to the country's economy, defense, and mobility by the
Federal Highway Administration
The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program a ...
.
SR 154 is eligible for the
State Scenic Highway System,
and is officially designated as a scenic highway by the
California Department of Transportation
The California Department of Transportation (Caltrans) is an Executive (government), executive department of the U.S. state of California. The department is part of the Government of California#State agencies, cabinet-level California State Tran ...
,
meaning that it is a substantial section of highway passing through a "memorable landscape" with no "visual intrusions", where the potential designation has gained popular favor with the community.
History
The highway from Santa Barbara through San Marcos Pass to what was Route 2 was added to the state highway system in 1931. The route renumbered to SR 154 by the
1964 state highway renumbering.
On the short super-two freeway section of SR 154, the interchange with SR 192 is numbered as exit 32, despite the route not being listed on Caltrans'
Cal-NExUS webpage.
Major intersections
See also
*
*
San Marcos Pass
San Marcos Pass (Chumash: ''Mistaxiwax'') is a mountain pass in the Santa Ynez Mountains in southern California.
It is traversed by State Route 154. The pass crosses the Santa Ynez through a southwestern portion of Los Padres National Forest, ...
*
Cold Spring Canyon Arch Bridge
The Cold Spring Canyon Arch Bridge in the Santa Ynez Mountains links Santa Barbara, California with Santa Ynez, California. The bridge is signed as part of California State Route 154, State Route 154.
It is currently the highest arch bridge in ...
*
Cold Spring Tavern
References
External links
{{CASR external links, SR, 154
Caltrans: Route 154 - Scenic Highway
154
Year 154 ( CLIV) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Lateranus (or, less frequently, year 907 ''Ab urbe condita''). The denomination 154 for this ...
State Route 154
154
Year 154 ( CLIV) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Lateranus (or, less frequently, year 907 ''Ab urbe condita''). The denomination 154 for this ...
154
Year 154 ( CLIV) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Lateranus (or, less frequently, year 907 ''Ab urbe condita''). The denomination 154 for this ...
Historic trails and roads in California
Los Padres National Forest
Santa Ynez Mountains
Santa Barbara, California