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, more commonly known as Route of the Olympic Torch, is a county route in

Lassen County, California Lassen County () is a county in the northeastern portion of the U.S. state of California. As of the 2020 census, the population was 32,730. The county seat and only incorporated city is Susanville. Lassen County comprises the Susanville, Calif ...

. County Route A1 runs from Route 36 near Susanville to Route 139 near

Eagle Lake Eagle Lake may refer to: Cities, towns, townships etc. Canada * Eagle Lake, Haliburton County, Ontario * Eagle Lake, Parry Sound District, Ontario * Eagle Lake 27, Ontario (Indian reserve) * Eagle Lake, Kenora District, Ontario United States * ...

. It was originally named Eagle Lake Road. Major junctions
This route still exists as a bypass from Susanville for north–south motorists, but it is no longer signed as such.

A2

County Route A2 or Susanville Road is a county route located in

Lassen County Lassen County () is a county in the northeastern portion of the U.S. state of California. As of the 2020 census, the population was 32,730. The county seat and only incorporated city is Susanville. Lassen County comprises the Susanville, Calif ...

, connecting SR 299 and SR 139. Major junctions

A3

County Route A3 or Standish– Buntingville Road is a road in

connected to

U.S. Route 395 U.S. Route 395 (US 395) is a U.S. Route in the western United States. The southern terminus of the route is in the Mojave Desert at Interstate 15 near Hesperia. The northern terminus is at the Canada–US border near Laurier, where the road ...

, 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 or Bowman Road is a road in

Tehama County Tehama County ( ; Wintun for "high water") 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 th ...

connecting State Route 36 in

Rosewood Rosewood refers to any of a number of richly hued timbers, often brownish with darker veining, but found in many different hues. True rosewoods All genuine rosewoods belong to the genus ''Dalbergia''. The pre-eminent rosewood appreciated in ...

and

I-5 Interstate 5 (I-5) is the main north–south 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 through the states of Californi ...

in Cottonwood Major junctions

A6

County Route A6 or Long Road is a road in Tehama County connecting Manton Road in Dales to Forward Road in Manton. Along the way it has an intersection with SR 36. Major junctions

A7

County Route A7 is a road in Tehama County connecting Live Oak Road and SR 36 in

Red Bluff Red Bluff(s) may refer to several places in North America: Places Canada *Red Bluff, British Columbia, a community near Quesnel, British Columbia, Canada ** Red Bluff First Nation, a First Nations band government headquartered near Quesnel, ...

. Major junctions

A8

County Route A8 is road in Tehama County connecting SR 99 in Los Molinos and SR 36 in

. Major junctions

A9

County Route A9 is a road in Tehama County connecting Round Valley Road in Paskenta and SR 99 and Interstate 5 in Corning. Major junctions

A10

County Route A10, known locally as "Everett Memorial Highway", is a long county road in

Siskiyou County Siskiyou County (, ) is a county in the northernmost part of the U.S. state of California. As of the 2020 census, the population was 44,076. Its county seat is Yreka and its highest point is Mount Shasta. It falls within the Cascadia bioregion ...

near

Mount Shasta Mount Shasta ( Shasta: ''Waka-nunee-Tuki-wuki''; Karuk: ''Úytaahkoo'') is a potentially active volcano at the southern end of the Cascade Range in Siskiyou County, California. At an elevation of , it is the second-highest peak in the Cascades ...

. It runs from Ski Village Drive in the town of Mount Shasta City to a

dead end Dead End or dead end may refer to: * Dead end (street), a street connected only at one end with other streets, called by many other official names, including ''cul-de-sac''. Film and television * ''The Dead End'' (1914 film), directed by David ...

at the level on

. 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 slope, such as a hill or mountain. Avalanches can be set off spontaneously, by such factors as increased precipitation or snowpack weakening, or by external means such as humans, animals, and earth ...

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 or Gyle Road is a county route located in Tehama County and connecting Interstate 5 and CR A8 near Tehama. Major junctions

A12

County Route A12, known locally as the "99-97 Cutoff", or more commonly, "the 97 cutoff", is a two-lane rural highway 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 US–Mexico border to Blaine, Washington, on the U.S.-Canada borde ...

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

Interstate 5 Interstate 5 (I-5) is the main north–south 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 through the states of Califor ...

. Its eastern terminus is at

US 97 The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

, north of

Weed A weed is a plant considered undesirable in a particular situation, "a plant in the wrong place", or a plant growing where it is not wanted.Harlan, J. R., & deWet, J. M. (1965). Some thoughts about weeds. ''Economic botany'', ''19''(1), 16-24. ...

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

Grenada Grenada ( ; Grenadian Creole French: ) is an island country in the West Indies in the Caribbean Sea at the southern end of the Grenadines island chain. Grenada consists of the island of Grenada itself, two smaller islands, Carriacou and Pe ...

, 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, corner store or corner shop is a small retail business that stocks a range of everyday items such as coffee, groceries, snack foods, confectionery, soft drinks, ice creams, tobacco products, lottery ticket ...

, a

church Church may refer to: Religion * Church (building), a building for Christian religious activities * Church (congregation), a local congregation of a Christian denomination * Church service, a formalized period of Christian communal worship * Chris ...

, and an

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

. The route is heavily used by travellers 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 was ...

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, also known as Walker Memorial Road, is a road in

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

connected to SR 36. Major junctions

A14

County Route A14 or Graeagle Johnsville Road is a road in Plumas County connecting SR 89 and Johnsville. Major junctions

A15

County Route A15 or Portola McLears Road is a road in Plumas County connecting SR 89 and 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 and archives that preserves and operates historic American railroad equipment and preserves docu ...

. Major junctions

A16

County Route A16 or Platina Road is a county route located in

Shasta County Shasta County (), officially the County of Shasta, is a county in the northern portion of the U.S. state of California. Its population is 182,155 as of the 2020 census, up from 177,223 from the 2010 census. The county seat is Redding. Shasta ...

connecting SR 36 to SR 273 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 is a county route in the U.S. State of California, located in Shasta County and Tehama County, connecting

near Cottonwood and California State Route 44 near Inwood. Major junctions

A18

County Route A18 or Lake Boulevard is a road in Shasta County on the State Scenic Highway System connecting SR 273 (as well as

and SR 299) in Redding and

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 ...

. Major junctions

A19

County Route A19 or McArthur Road is a county route in Shasta County connecting SR 299 to SR 89. Major junctions

A20

County Route A20 or Glenburn Road is a county route located in

connecting SR 89 to CR A19. Major junctions

A21

County Route A21 or Mooney Road connects California State Route 147 to California State Route 44 and intersects California State Route 36 along the way. Major junctions

A22

County Route A22 or Arlington Road is a county route located in Plumas County connecting SR 89 in Crescent Mills to Taylorsville. Major junctions

A23

County Road A23 connects SR 49/ SR 89 near Sattley to SR 70 near Beckwourth passing through the

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

on its west side. In the northerly direction, County Road A23 begins at the junction of SR 49/ SR 89 at Sattley, formerly known as Church's Corners, which is a census-designated place in Sierra County. The road leaves Sattley as Westside Road. It passes near

Calpine Calpine Corporation is the largest generator of electricity from natural gas and geothermal resources in the United States, with operations in competitive power markets. A Fortune 500 company based in Houston, Texas, the company is owned by an ...

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

. Major junctions

A24

County Route A24 or Dyson Lane is a county route located in Plumas and Sierra County connecting SR 49 in Loyalton to SR 70 in Hawley. Major junctions

A25

County Route A25 or Herlong Access Road is a short highway, paired with CR A26, that 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 or Garnier Road is a short highway, paired with CR A25, that services Herlong and the

. Major junctions

A27

County Route A27 or Center Road is a county route that goes from SR 36 in Susanville to

US 395 U.S. Route 395 (US 395) is a U.S. Route in the western United States. The southern terminus of the route is in the Mojave Desert at Interstate 15 near Hesperia. The northern terminus is at the Canada–US border near Laurier, where the road ...

in Litchfield, passing by the High Desert State Prison. Major junctions

A28

County Route A28 is a two-lane rural highway. 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 In politics, lobbying, persuasion or interest representation is the act of lawfully attempting to influence the actions, policies, or decisions of government officials, most often legislators or members of regulatory agency, regulatory agencie ...

by officials in

Yreka Yreka ( ) is 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 United States Census, the population was 7,807, reflecting a meager increase fro ...

, 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 civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US st ...

. 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 or Big Springs Road is a county route that goes from the 99-97 Cutoff to

, passing through the census-designated place of Lake Shastina and 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