SR 140 (CA)
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State Route 140 (SR 140) 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 ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the U.S. state of
California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
, 102 miles (164 km) in length. It begins in the
San Joaquin Valley The San Joaquin Valley ( ; es, Valle de San Joaquín) is the area of the Central Valley of the U.S. state of California that lies south of the Sacramento–San Joaquin River Delta and is drained by the San Joaquin River. It comprises seven c ...
at Interstate 5 near Gustine, and runs east into
Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily ...
, terminating in
Yosemite National Park Yosemite National Park ( ) is an American national park in California, surrounded on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers an ar ...
.


Route description

Heading east from I-5, the highway passes Gustine; it then jogs to cross the San Joaquin River. It roughly marks the southern edge of the farmable land around
Livingston Livingston may refer to: Businesses * Livingston Energy Flight, an Italian airline (2003–2010) * Livingston Compagnia Aerea, an Italian airline (2011–2014), also known as Livingston Airline * Livingston International, a North American custom ...
. It intersects with
State Route 99 International * European route E99 Australia * Springbrook Road, Queensland Canada * British Columbia Highway 99 * Ontario Highway 99 (former) * Saskatchewan Highway 99 China * G99 Expressway India * National Highway 99 (India) I ...
in
Merced Merced (; Spanish for "Mercy") is a city in, and the county seat of, Merced County, California, United States, in the San Joaquin Valley. As of the 2020 Census, the city had a population of 86,333, up from 78,958 in 2010. Incorporated on April 1 ...
, which it overlaps for a few miles. Travelers coming from most regions of the
San Francisco Bay Area The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area Go ...
or other parts of Northern California to
Yosemite Valley Yosemite Valley ( ; ''Yosemite'', Miwok for "killer") is a U-shaped valley, glacial valley in Yosemite National Park in the western Sierra Nevada (U.S.), Sierra Nevada mountains of Central California. The valley is about long and deep, surroun ...
and the southern portion of Yosemite would transfer from Highway 99 to Highway 140 at this point. For those coming from San Jose and the rest of the
Silicon Valley Silicon Valley is a region in Northern California that serves as a global center for high technology and innovation. Located in the southern part of the San Francisco Bay Area, it corresponds roughly to the geographical areas San Mateo County ...
, the most direct, fastest route is State Route 152 east; then the roads of Road 9, Bliss Road, Sandy Mush Road, and Plainsburg Road to reach Highway 140 in Planada. (Those going to the northern portion of Yosemite would have instead taken either I-580 and
I-205 Interstate 205 may refer to either of two unconnected Interstate Highways in the United States, both of which are related to Interstate 5 * Interstate 205 (California), a connector in the San Francisco Bay Area * Interstate 205 (Oregon–Washingt ...
leaving the Bay Area, then State Route 120 east through Manteca, or State Route 132 east through
Modesto Modesto () is the county seat and largest city of Stanislaus County, California, United States. With a population of 218,464 at the 2020 census, it is the 19th largest city in the state of California and forms part of the Sacramento-Stockton- ...
.) After exiting Highway 99, Highway 140 continues through Planada, after which the farmland gives way to grazing land. It is quite dry in the summer due to California's
Mediterranean climate A Mediterranean climate (also called a dry summer temperate climate ''Cs'') is a temperate climate sub-type, generally characterized by warm, dry summers and mild, fairly wet winters; these weather conditions are typically experienced in the ...
, and the dry grass gives the landscape a golden color.
Western meadowlark The western meadowlark (''Sturnella neglecta'') is a medium-sized icterid bird, about in length. It nests on the ground in open grasslands across western and central North America. It feeds mostly on bugs, but will also feed on seeds and berri ...
s, American kestrels, red-tailed hawks and
turkey vulture The turkey vulture (''Cathartes aura'') is the most widespread of the New World vultures. One of three species in the genus ''Cathartes'' of the family Cathartidae, the turkey vulture ranges from southern Canada to the southernmost tip of South ...
s are frequently glimpsed. A few
blue oak ''Quercus douglasii'', known as blue oak, is a species of oak endemic to (and found only in) California, common in the Coast Ranges and the foothills of the Sierra Nevada. It is California's most drought-tolerant deciduous oak, and is a dominan ...
s can be seen as the highway leaves the valley and begins to climb through the foothills of the
Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily ...
. They become more and more numerous as the elevation increases. As the highway passes through
Catheys Valley Catheys Valley (formerly, Cathay and Cathey's Valley) is a census-designated place in Mariposa County, California, United States. It lies in Catheys Valley northeast of Merced and southwest of Mariposa, at an elevation of . As of the 2020 censu ...
the vegetation begins to diversify a little.
California live oak ''Quercus agrifolia'', the California live oak, or coast live oak, is a highly variable, often evergreen oak tree, a type of live oak, native to the California Floristic Province. It may be shrubby, depending on age and growing location, but is g ...
s and ponderosa pines intermingle with the blue oaks as it nears Mariposa. In Mariposa, it briefly runs concurrently with
State Route 49 The following highways are numbered 49: Australia * Queensland State Route 49 **Wide Bay Highway **Bunya Highway **Moonie Highway **Balonne Highway * Central Coast Highway Canada * Alberta Highway 49 * British Columbia Highway 49 * Manitoba High ...
. A ponderosa pine forest borders the highway on both sides as it passes through Midpines. As it approaches Briceburg, the roadway follows a steep, winding grade down to the
Merced River The Merced River (), in the central part of the U.S. state of California, is a -long tributary of the San Joaquin River flowing from the Sierra Nevada (U.S.), Sierra Nevada into the San Joaquin Valley. It is most well known for its swift and st ...
valley. The highway then runs alongside the Merced River for 20 miles to the park entrance, after passing through El Portal before finally entering
Yosemite Valley Yosemite Valley ( ; ''Yosemite'', Miwok for "killer") is a U-shaped valley, glacial valley in Yosemite National Park in the western Sierra Nevada (U.S.), Sierra Nevada mountains of Central California. The valley is about long and deep, surroun ...
, where it ends. The upper stretch of the Merced River valley below the park, which the highway follows, is designated as Wild and Scenic River Area. The area separates
Sierra National Forest Sierra National Forest is a U.S. national forest located on the western slope of central Sierra Nevada in Central California and bounded on the northwest by Yosemite National Park and the south by Kings Canyon National Park. The forest is kno ...
(south) and
Stanislaus National Forest Stanislaus National Forest is a U.S. National Forest which manages of land in four counties in the Sierra Nevada in Northern California. It was established on February 22, 1897, making it one of the oldest national forests. It was named after t ...
(north). SR 140 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 is defined by Article 2 (commenci ...
, and 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 140 is eligible to be included in the State Scenic Highway System; however, only the part of the road from Mariposa to El Portal is designated as a scenic highway.


History

The "All-Weather Highway" (now State Route 140) opened in 1926, ensuring year-long visitation and delivery of supplies under normal conditions. 4 NPS 1989, p. 113. In June 2006, the road between El Portal and Mariposa was closed due to a rock slide. The Ferguson Slide buried about of SR140 between Cedar Lodge and Briceburg Visitor Center between SR-49 and SR-41. A small detour opened in August, 2006, with a traffic light system to allow drivers to circumvent the original slide damage area. Plans are underway for construction of a
rock shed A rock shed is a civil engineering structure used in mountainous areas where rock slides and land slides create highway closure problems. A rock shed is built over a roadway that is in the path of the slide. They are equally used to protect ra ...
through the slide area to restore the original alignment. The road was closed in 2018 due to the Ferguson Fire.


Major intersections


See also

*


References


External links


Caltrans Route 140 PhotosCaltrans: Route 140 highway conditionsAcrobat US Forest Service file containing a map of the slide, (June 2006).Current Conditions - Ferguson Rock Slide, Chronology of Events
{{Yosemite National Park
140 140 may refer to: * 140 (number), an integer * AD 140, a year of the Julian calendar * 140 BC, a year of the pre-Julian Roman calendar * ''140'' (video game), a 2013 platform game * Tin King stop Tin King () is an at-grade MTR Light Rail stop ...
State Route 140
140 140 may refer to: * 140 (number), an integer * AD 140, a year of the Julian calendar * 140 BC, a year of the pre-Julian Roman calendar * ''140'' (video game), a 2013 platform game * Tin King stop Tin King () is an at-grade MTR Light Rail stop ...
State Route 140 Merced, California