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Standard California state route shields. They are in the shape of a miner's spade to honor the California Gold Rush. A spade is a tool designed primarily for the purpose of digging or removing earth The California Gold Rush (1848&ndash1855 began on January 24 1848 when Gold was discovered by James Marshall at Sutter's Mill in Coloma, California
Map of the state highway system in California
State:State Route X (SR-X) or Route X
Interstates:Interstate X (I-X) or Route X
US Routes:U. State highway, state road or state route can refer to one of three related concepts two of them related to a State government in a country that is divided The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System) The system of United States Numbered Highways (often called U S. Route X (US X) or Route X
Notes:All classes of state-numbered highways are generally state-maintained.

Each state highway in the U.S. State of California is maintained by the California Department of Transportation (Caltrans) and is assigned a Route (officially State Highway Route[1][2]) number in the Streets and Highways Code (Sections 300-635). State highway, state road or state route can refer to one of three related concepts two of them related to a State government in a country that is divided A US state is any one of the fifty subnational entities of the United States of America that share Sovereignty with the federal government California ( is a US state on the West Coast of the United States, along the Pacific Ocean. The California Department of Transportation ( Caltrans) is a Government department in the U Most of these are numbered in a statewide system, and are known as State Route X (abbreviated SR-X). United States Numbered Highways are labeled US X, and Interstate Highways are Interstate X, though Caltrans typically uses Route X for all classes. The system of United States Numbered Highways (often called U The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System)

Since July 1 of 1964, the majority of legislative route numbers, those defined in the Streets and Highways Code, match the sign route numbers. On the other hand, some short routes are instead signed as parts of other routes - for instance, Route 112 and Route 260 are signed as part of the longer State Route 61, and Route 51 is part of Interstate 80 Business. State Route 61 is a California, United States, highway which runs through Alameda and along the Oakland International Airport. State Route 61 is a California, United States, highway which runs through Alameda and along the Oakland International Airport. State Route 61 is a California, United States, highway which runs through Alameda and along the Oakland International Airport. Interstate 80 Business, called the Capital City Freeway in its entirety is a Business Loop of Interstate 80 through Sacramento. Interstate 80 Business, called the Capital City Freeway in its entirety is a Business Loop of Interstate 80 through Sacramento.

Route shield signs at the intersection of SR 123 and SR 13 in Berkeley.
Route shield signs at the intersection of SR 123 and SR 13 in Berkeley.

Business routes are not maintained by the state unless they are also assigned legislative route numbers. A business route (occasionally city route) in the United States is a short Auxiliary route connected to a parent Numbered highway at its beginning A few routes or sections of routes are considered unrelinquished - a new alignment has been built, or the legislative definition has changed to omit the section, but the state still maintains the roadway - and are officially Route XU. State Route 14U, an old alignment of State Route 14, is the only one signed as such. Sierra Highway is a road in Southern California, United States. State Route 14 is a north-south State highway largely in the Mojave Desert of the U Some new alignments are considered supplemental[3] and have a suffix of S; State Route 86S, a replacement for State Route 86 between approximately three miles north of the Imperial/Riverside County line west of the Salton Sea and Interstate 10 east of Indio is the only one that includes the "S" suffix on its signing. State Route 86S (SR 86S is an Expressway that runs through the Coachella Valley. State Route 86 is a north-south State highway in the southeastern Desert region of Southern California, United States. Imperial County is a County located in the Imperial Valley, in the far southeast of the U Riverside County is a County located in the southeastern part of the U The Salton Sea is an inland Saline lake, occupying the lowest elevations of the Salton Sink, part of the larger Colorado Desert in Southern In the US state of California, Interstate 10, the major east-west Interstate Highway in the Southern United States, runs east from Indio California, is a US city located in the Coachella Valley of Southern California's Desert region Both types of suffixed routes are also considered spurs. [4] Current or former unsigned suffixed routes include State Route 156U, signed as State Route 156 Business through Hollister, and State Route 180S, the freeway replacement for State Route 180 in Fresno (now signed as SR 180). Hollister is a city in and the County seat of San Benito County, California, United States. State Route 180 is a State highway in California, United States, which runs through the heart of the San Joaquin Valley from Mendota State Route 180 is a State highway in California, United States, which runs through the heart of the San Joaquin Valley from Mendota

Contents

History

Main article: History of California's state highway system
Counties covered by the Automobile Club of Southern California (red) and California State Automobile Association (blue)
Counties covered by the Automobile Club of Southern California (red) and California State Automobile Association (blue)

The first legislative routes were defined by the State Highway Bond Act in 1909, passed by the California State Legislature and signed by Governor James Gillett. See also State highways in California The State highway system in the U The Automobile Club of Southern California was founded December 13, 1900 in Los Angeles as one of the nation's first motor clubs dedicated to improving The California State Automobile Association is a motor club dedicated to improving roads proposing traffic laws and improvement of overall driving conditions The California State Legislature is the state legislature of the U James Norris Gillett ( September 20, 1860 – April 21, 1937) was an American Lawyer and Politician. These, and later extensions to the system, were numbered sequentially. No signs were erected for these routes.

The United States Numbered Highways were assigned by the American Association of State Highway Officials (AASHO) in November 1926, but posting did not begin in California until January 1928. The system of United States Numbered Highways (often called U AASHTO, the American Association of State Highway and Transportation Officials, is a standards setting body which publishes specifications test protocols and Year 1926 ( MCMXXVI) was a Common year starting on Friday (link will display the full calendar of the Gregorian calendar. Year 1928 ( MCMXXVIII) was a Leap year starting on Sunday (link will display full calendar of the Gregorian calendar. These were assigned to some of the main legislative routes in California. Initially, signs were posted by the Automobile Club of Southern California (ASCS) and California State Automobile Association (CSAA), which had been active in signing national auto trails and local roads since the mid-1900s. The Automobile Club of Southern California was founded December 13, 1900 in Los Angeles as one of the nation's first motor clubs dedicated to improving The California State Automobile Association is a motor club dedicated to improving roads proposing traffic laws and improvement of overall driving conditions Old style Highway markings Lincoln Highway Dixie Highway

In 1934, after the major expansion of the state highway system in 1933 by the California Legislature, California sign route numbers were assigned by the California Division of Highways (predecessor to Caltrans). The California sign route numbers were assigned in a geographical system, completely independent of the legislative routes. Odd-numbered routes ran north-south and even-numbered routes ran east-west. The routes were split among southern California (ACSC) and central and northern California (CSAA) as follows:

For instance, State Route 1 and State Route 4 were in central and northern California, and State Route 2 and State Route 3 (since moved) were in southern California. In Mathematics, modular arithmetic (sometimes called modulo arithmetic, or clock arithmetic) is a system of Arithmetic for Integers State Route 1, often called Highway 1, is a State highway that runs along much of the Pacific coast of the U State Route 4 is a State highway in the US state of California, routed from Interstate 80 to State Route 89. State Route 2 is a State highway in the US state of California. State Route 3 is a long State highway in the northern region of the U A rough grid was used inside the two regions, with the largest numbers - all less than 200 (except for State Route 740, which was related to State Route 74) - in eastern California (north-south) and near the border between the two regions (east-west). State Route 74, a part of the Pines to Palms Scenic Byway, is a mostly scenic highway that runs from Palm Desert in Riverside County westward to San State Route 74, a part of the Pines to Palms Scenic Byway, is a mostly scenic highway that runs from Palm Desert in Riverside County westward to San

Main article: 1964 state highway renumbering (California)

The Interstate Highway System numbers were assigned by AASHO in late 1959. In 1963 and 1964 the California Division of Highways implemented a major renumbering of its state highways. The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System) In 1963 and 1964, a total renumbering of the legislative routes was made, aligning them with the sign routes. Some changes were also made to the sign routes, mostly related to decommissionings of U. S. Routes in favor of Interstates.

Since the 1990s, many non-freeway routes, especially in urban areas, have been deleted and turned over to local control. Not all cities have been prepared to accept such routes from Caltrans simultaneously, so many have been decommissioned from the state system one fragment at a time. In the case of the San Francisco Bay Area, the Caltrans division in that region is granted permission to keep state routes that run on city streets in commission unless a freeway is built to bypass the surface street route.

Nomenclature in California English

See also: California English

One often-cited cultural difference between Northern and Southern Californians is that the latter tend to put "the" before highway numbers (e. California English is a Dialect of the English language spoken in the U California English is a Dialect of the English language spoken in the U g. "taking the 5 to L.A."), while the former use the number alone (e. Route description Southern California See also San Diego Freeway, Santa Ana Freeway, Golden State Freeway Interstate 5 starts Los Angeles (lɑˈsændʒələs los ˈaŋxeles in Spanish) is the largest City in the state of California and the American West g. "taking 80 to San Francisco") or less frequently, with "I-" in the case of interstate freeways. In the US state of California, Interstate 80, a major east-west route of the Interstate Highway System, has its western terminus in San Francisco The City and County of San Francisco is the fourth most populous city

List of routes

Main article: List of state highways in California

Former U. This is a list of State highways in the US state of California that have existed since the 1964 renumbering. S. Routes

U.S. Route 395 looking south at Mono Lake
U.S. Route 395 looking south at Mono Lake

See also

References

  1. ^ California Streets and Highways Code, Section 231
  2. ^ Caltrans, Other State Highway Routes
  3. ^ Metadata for ST_HWY GIS data layer (PDF)
  4. ^ January 1, 2006 California Log of Bridges on State Highways (calls State Route 14U and State Route 180S, among others, spurs)

External links

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