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 thoroughfares in rural areas, although many run through urban areas as well. Most are two-lane highways, and can accommodate high speeds and large volumes of traffic.
County route
A county highway (also county road or county route; usually abbreviated CH or CR) is a road in the United States and in the Canadian province of Ontario that is designated and/or maintained by the county highway department. Route numbering can ...
s are typically designated with a letter (A, B, D, E, G, J, N, R, or S, depending on the region of the state, with several counties split between two region prefixes) followed by a number (example:
G2). Therefore, the county routes are sorted alphabetically, from the northernmost region of California to the southernmost region. Routes with letters (A, B, D) are in the region of
Northern California
Northern California (colloquially known as NorCal) is a geographic and cultural region that generally comprises the northern portion of the U.S. state of California. Spanning the state's northernmost 48 counties, its main population centers incl ...
, letters (E, G, J) are in
Central California, and (N, R, S) are in
Southern California. Routes in
Lake and
San Bernardino Counties are designated by numbers only.
The level of signage varies by county. In
San Diego County, reassurance markers are placed as frequently as they would be on state highways. In other counties, some county routes are completely unsigned. For most county routes, signage may be found at the beginning and end and at major junctions; reassurance markers are rare and are placed at distant intervals. With a handful of exceptions (one example being
S2), county routes are typically referred to by their street name (e.g. Angeles Forest Highway or Kanan Dume Road) rather than their route designation.
These routes are all part of the
California Route Marker Program
California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
, which was established in 1958. This program was incorporated into the
National Uniform County Route Marker Program
National may refer to:
Common uses
* Nation or country
** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen
Places in the United States
* National, Maryland, ce ...
created by the
National Association of Counties in 1967. Not all counties choose to use the same marker; some have different systems of numbering their county routes.
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List
The county routes are alphabetically sorted by the prefix letter in its shield, followed by the corresponding number.
See also
*
References
External links
CAHighways.org
{{CCR-zones
Lists of roads in California