There are 28 routes assigned to the "A" zone of the California Route Marker Program, which designates

county routes in California County routes in the U.S. state of California are controlled and maintained by the respective counties in which they are located. However, they are generally patrolled by the state's California Highway Patrol. They are typically major thoroughfa ...

. The "A" zone includes county highways in Lassen, Plumas, Shasta, Siskiyou, and Tehama counties.

A1

County Route A1 (CR A1), more commonly known as Route of the Olympic Torch, is a county route in

Lassen County, California Lassen County ( ) is a county located in the northeastern portion of the U.S. state of California. As of the 2020 census, the population was 32,730, and was estimated to be 28,340 in 2024, Its county seat and the largest city is Susanville ...

, United States. It gained its name as a result of being used for a portion of the 1984 Summer Olympics torch relay. County Route A1 runs from Route 36 near Susanville to Route 139 near Eagle Lake. It was originally named Eagle Lake Road. This route still exists as a bypass from Susanville for north–south motorists, but it is no longer signed as such. Major junctions

A2

County Route A2 (CR A2), known entirely as Susanville Road, is a county route in

, United States, connecting SR 299 to SR 139. Major junctions

A3

County Route A3 (CR A3), or Standish– Buntingville Road, is a road in

, United States, connected to U.S. Route 395, and functions as a bypass for northbound traffic around Susanville. At its northern end it is signed for Reno (via US 395), and its southern end for Lakeview, also via US 395. This route still serves as bypass for north–south 395 motorists, but is no longer signed as such. Major junctions

A5

County Route A5 (CR A5), or Bowman Road, is a road in

Tehama County, California Tehama County ( ) is a county located in the northern part of the U.S. state of California. As of the 2020 census, the population was 65,829. The county seat and largest city is Red Bluff. Tehama County comprises the Red Bluff, California ...

, United States, connecting SR 36 in

Rosewood Rosewood is any of a number of richly hued hardwoods, often brownish with darker veining, but found in other colours. It is hard, tough, strong, and dense. True rosewoods come from trees of the genus '' Dalbergia'', but other woods are often ca ...

to I-5 in Cottonwood. Major junctions

A6

County Route A6 (CR A6), or Manton Road, is a road in

, United States, connecting SR 36 in Dales to Forward Road in Manton. Major junctions

A7

County Route A7 (CR A7) is a road in

, United States, connecting Ridge Road to SR 36 in Red Bluff. The route is known as Live Oak Road, Wilder Road, and Walnut Street. Major junctions

A8

County Route A8 (CR A8) is a road in

, United States, connecting SR 99 in Los Molinos to SR 36 in Red Bluff. The route is known as Aramayo Way in Los Molinos, C Street and 5th Street in Tehama, San Benito Avenue, Road 99W or State Highway 99W (despite the old highway being a U.S. Route), and South Main Street and Main Street in Red Bluff. The route between Proberta and Red Bluff follows the former U.S. Route 99W up to where it met up with former U.S. Route 99E (present day SR 36 / Antelope Boulevard), reuniting both with the former U.S. Route 99 (at the intersection of Main Street and Antelope Boulevard / Oak Street) in downtown Red Bluff. Major junctions

A9

County Route A9 (CR A9) is a road in

, United States, connecting Round Valley Road in Paskenta to SR 99 near Vina. The route is known as Paskenta Road, Corning Road, Solano Street in Corning, Hoag Road, Hall Road, and South Avenue. Major junctions

A10

County Route A10 (CR A10), known locally as "Everitt Memorial Highway", is a long county road in

Siskiyou County, California Siskiyou County ( ) is a county (United States), county located in the northwestern portion of the U.S. state of California. As of the 2020 United States census, 2020 census, the population was 44,076. Its county seat is Yreka, California, Yre ...

, United States, near

Mount Shasta Mount Shasta ( ; Shasta people, Shasta: ''Waka-nunee-Tuki-wuki''; Karuk language, Karuk: ''Úytaahkoo'') is a Volcano#Volcanic activity, potentially active stratovolcano at the southern end of the Cascade Range in Siskiyou County, California. A ...

. It runs from

Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway System, Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels thro ...

in the town of Mount Shasta City to a dead end at the level on

. The route follows Lake Street, Mount Shasta Boulevard, Alma Street, and Rockfellow Drive, right before reaching Everitt Memorial Highway. The highway, completed in 1958 at a cost of $980,000 and designated in 1959, was originally built to provide access to the Mount Shasta Ski Bowl, which was destroyed by an

avalanche An avalanche is a rapid flow of snow down a Grade (slope), slope, such as a hill or mountain. Avalanches can be triggered spontaneously, by factors such as increased precipitation or snowpack weakening, or by external means such as humans, othe ...

in 1978. Today, the highway provides access to Mount Shasta for climbers, skiers, and anyone wanting access to the mountain. In wintertime, the road is kept open only to the U.S.F.S. outpost at the level. Major junctions

A11

County Route A11 (CR A11) is a county route in

, United States, connecting

at exit 636 with CR A8 in Tehama. The route is mostly known as Gyle Road, while most of the portion within the city of Tehama is known as 5th Street. Major junctions

A12

County Route A12 (CR A12), known locally as the "99-97 Cutoff", or more commonly, "the 97 cutoff", is a two-lane rural highway in

, United States, with a length of . A12 begins in the west at its junction with Old 99 Highway, which was once

US 99 U.S. Route 99 (US 99) was a main north–south United States Numbered Highway on the West Coast of the United States until 1964, running from Calexico, California, on the Mexican border to Blaine, Washington, on the Canadian border. It was ...

. Just a few dozen yards to the east, it intersects

. Its eastern terminus is at

US 97 U.S. Route 97 (US 97) is a major north–south route of the United States Numbered Highway System in the Pacific Northwest The Pacific Northwest (PNW; ) is a geographic region in Western North America bounded by its coastal wate ...

, north of

Weed A weed is a plant considered undesirable in a particular situation, growing where it conflicts with human preferences, needs, or goals.Harlan, J. R., & deWet, J. M. (1965). Some thoughts about weeds. ''Economic botany'', ''19''(1), 16-24. Pla ...

. One mile east of the Interstate junction, it passes through the tiny village of

Grenada Grenada is an island country of the West Indies in the eastern Caribbean Sea. The southernmost of the Windward Islands, Grenada is directly south of Saint Vincent and the Grenadines and about north of Trinidad and Tobago, Trinidad and the So ...

, the only population center of any merit along the route. further east is the burg Mayten, which consists only of a

convenience store A convenience store, convenience shop, bakkal, bodega, corner store, corner shop, superette or mini-mart is a small retail store that stocks a range of everyday items such as convenience food, groceries, beverages, tobacco products, lotter ...

, a

church Church may refer to: Religion * Church (building), a place/building for Christian religious activities and praying * Church (congregation), a local congregation of a Christian denomination * Church service, a formalized period of Christian comm ...

, and an

elementary school A primary school (in Ireland, India, the United Kingdom, Australia, New Zealand, Trinidad and Tobago, Jamaica, South Africa, and Singapore), elementary school, or grade school (in North America and the Philippines) is a school for primary ...

. The route is heavily used by travelers and truckers southbound on Interstate 5 who wish to use

northbound en route to

Klamath Falls Klamath Falls ( ) is a city in, and the county seat of, Klamath County, Oregon, United States. The city was originally called ''Linkville'' when George Nurse founded the town in 1867. It was named after the Link River, on whose falls the city wa ...

and points north. This route saves over than if the alternative routing via I-5 to Weed, then north on US 97 was used. Hence, the local name "97 cutoff". The western two-thirds of the route passes through agricultural areas, and is very reminiscent of two-lane farm roads in California's Central Valley. However, the eastern portion is very scenic, passing through an area with towering dark red crags and buttes to the north. Major junctions

A13

County Route A13 (CR A13), known entirely as Walker Memorial Road, is a road in

Plumas County, California Plumas County () is a county located in the Sierra Nevada of the U.S. state of California. As of the 2020 United States census, the population was 19,790. The county seat is Quincy, and the only incorporated city is Portola. The largest comm ...

, United States, connecting SR 36 to SR 147. Major junctions

A14

County Route A14 (CR A14), or Graeagle Johnsville Road, is a road in

, United States, connecting SR 89 in Graeagle to Main Street in Johnsville. Major junctions

A15

County Route A15 (CR A15), or Portola McLears Road for most of the route, is a road in

, United States, connecting SR 89 in Valley Ranch to SR 70 in Portola. On its northern end, after passing through the Old Town commercial district of Portola, A15 passes the

Western Pacific Railroad Museum The Western Pacific Railroad Museum (WPRM) in Portola, California, known as the Portola Railroad Museum until January 1, 2006, is a heritage railroad that preserves and operates historic American railroad equipment and preserves documents, pho ...

. Major junctions

A16

County Route A16 (CR A16) is a county route in

Shasta County, California Shasta County (), officially the County of Shasta, is a County (United States), county located in the Northern California, northern portion of the U.S. state of California. Its population is 182,155 as of the 2020 census, up from 177,223 from t ...

, United States, connecting SR 36 in

Platina Platina is a municipality ''( município)'' in the state of São Paulo in Brazil. As of 2020 the population is estimated to be 3,578 inside an area of 326.73 km². The elevation of the municipality is 466 meters. Media In telecommunications, th ...

to SR 273 in Redding. The route is known as Platina Road, Placer Road, and Placer Street in Redding. Known locally as "Ditch Grade Road"; the final section before the junction with SR 36 closely follows the contour of hillside as this route was previously used to bring water to the mine at Platina. There is a rock formation some from SR 36 known as ''Old Man Rock'' or ''The Lincoln Memorial''. Major junctions

A17

County Route A17 (CR A17) is a county route in Shasta and Tehama counties 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, connecting

near Cottonwood to SR 44 near Inwood. The route is known as Balls Ferry Road, Ash Creek Road, and Dersch Road. In Cottonwood, the route follows Main Street, Front Street, Magnolia Street, Chestnut Street, and First Street. Major junctions

A18

County Route A18 (CR A18), or Lake Boulevard, is a road in

, United States, on the State Scenic Highway System connecting SR 273 (as well as

and SR 299) in Redding to

Shasta Dam Shasta Dam (called Kennett Dam before its construction) is a concrete arch-gravity dam across the Sacramento River in Northern California in the United States. At high, it is the eighth-tallest dam in the United States. Located at the north e ...

. The southern end of CR A18 / Lake Boulevard was the location of the only

Shopko Shopko Stores, Inc. (stylized as SHOPKO, formerly stylized as ShopKo) was a chain of department stores based in Green Bay, Wisconsin. All locations closed on June 23, 2019, with the exception of the Shopko Optical locations, which continue to ope ...

in the entire state of California, in Redding, which opened in 1989. The store was shuttered on May 5, 2019, as part of the chain's bankruptcy and liquidation. Major junctions

A19

County Route A19 (CR A19), or McArthur Road, is a county route in

, United States, connecting SR 299 to SR 89. Major junctions

A20

County Route A20 (CR A20), or Glenburn Road, is a county route in

, United States, connecting SR 89 to CR A19 (McArthur Road). Major junctions

A21

County Route A21 (CR A21) is a county route in

, United States, connecting SR 147 to SR 44, intersecting SR 36 along the way. The route is known as 3rd Street and Ash Street in Westwood and Mooney Road for the remainder of the route. Major junctions

A22

County Route A22 (CR A22) is a county route in

, United States, connecting SR 89 in Crescent Mills to Taylorsville. The route is mostly known as Arlington Road, along with a small section of Main Street in Taylorsville. Major junctions

A23

County Route A23 (CR A23) is a county route in Plumas and Sierra counties in the

of California, connecting SR 49 / SR 89 near Sattley to SR 70 near Beckwourth passing through the

Sierra Valley Sierra Valley is a large mountain valley located east of the crest of California's Sierra Nevada mountain range in Plumas and Sierra Counties, north of Interstate 80. Geography An intermontane valley at approximately elevation, Sierra Va ...

on its west side. In the northerly direction, CR A23 begins at the junction of SR 49 / SR 89 at Sattley, formerly known as Church's Corners, which is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

in Sierra County. The road leaves Sattley as Westside Road. It passes near

Calpine Calpine is the largest generator of electricity from natural gas and geothermal energy in the United States, with operations in competitive power markets. A ''Fortune'' 500 company based in Houston, Texas, Operations Through wholesale power op ...

, a census-designated place also in Sierra County, where the road becomes Beckwourth-Calpine Road and continues to SR 70 near Beckwourth, a census-designated place in

Plumas County Plumas County () is a county located in the Sierra Nevada of the U.S. state of California. As of the 2020 United States census, the population was 19,790. The county seat is Quincy, and the only incorporated city is Portola. The largest comm ...

. Major junctions

A24

County Route A24 (CR A24) is a county route in Plumas and Sierra counties in the

of California, connecting SR 49 in

Loyalton Loyalton is the only incorporated city in Sierra County, California, United States. At the 2020 census, the population was 740, reflecting a decline of 29 from the 769 counted in 2010. The ZIP code for the community is 96118. The town is near ...

to SR 70 in Hawley. The route is known as 3rd Street and Beckwith Street in Loyalton, Beckwith Road, Sierra Valley Road, Dyson Lane, and Beckworth Loyalton Road. Major junctions

A25

County Route A25 (CR A25), or Herlong Access Road, is a short highway in

, United States. Paired with CR A26, it services Herlong and the

Sierra Army Depot Sierra Army Depot (SIAD) is a United States Army post and military equipment storage facility located near the unincorporated community of Herlong, California. It was built in 1942 as one of several ammunition storage facilities located far enou ...

. Major junctions

A26

County Route A26 (CR A26), or Garnier Road, is a short highway in

, United States. Paired with CR A25, it services Herlong and the

. Major junctions

A27

County Route A27 (CR A27) is a county route in

, United States, connecting SR 36 in Susanville to

US 395 U.S. Route 395 (US 395), also known as U.S. Highway 395, is a north–south United States Numbered Highway that traverses the inland areas of the western states of California, Nevada, Oregon, and Washington. It travels for over from a junctio ...

in Litchfield, passing by the High Desert State Prison. The route is known as East Riverside Drive in Susanville, Johnstonville Road, and Center Road. Major junctions

A28

County Route A28 (CR A28) is a two-lane rural highway in

, United States, connecting CR A12 (the 99-97 Cutoff) to Copco Road near Hornbrook. The route is known as Montague Grenada Road, 11th Street in Montague, and Ager Road. CR A28 begins at CR A12 in

, connecting Grenada with

near Hornbrook via Montague. It is a flat, level route, and for this reason, was the original preferred routing for both

and I-5 through the area. In both instances, the routing was changed because of intense

lobbying Lobbying is a form of advocacy, which lawfully attempts to directly influence legislators or government officials, such as regulatory agency, regulatory agencies or judiciary. Lobbying involves direct, face-to-face contact and is carried out by va ...

by officials in

Yreka Yreka ( ) is a city in and the county seat of Siskiyou County, California, United States, near the Shasta River; the city has an area of about , most of it land. As of the 2020 census, the population was 7,807, reflecting an increase from 7,7 ...

, who decried the fact that the major highway through the county would bypass the

county seat A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...

. Thus, both highways ended up being built over far more rigorous terrain at a huge cost increase. A28 serves the aforementioned three towns, as well as numerous homes and ranches along the way. Major junctions

A29

County Route A29 (CR A29), or Big Springs Road, is a county route in

, United States. It connects

to CR A12 (the 99-97 Cutoff), passing through the

Lake Shastina A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from t ...

and the unincorporated community of Big Springs. Major junctions

References

{{CCR-zones A*

A1

A2

A3

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

A22

A23

A24

A25

A26

A27

A28

A29

See also

References