California State Route 188
State Route 188 highlighted in red
|Defined by Streets and Highways Code § 488|
|Maintained by Caltrans|
|Length||1.850 mi (2.977 km)|
|South end||Fed. 3 at Mexico-United States border in Tecate|
|North end||SR 94 near Potrero|
State Route 188 (SR 188), also known as Tecate Road, is an approximately two-mile (3 km) state highway in the U.S. state of California that connects State Route 94 in San Diego County with the Mexico – United States border. Its southern terminus is at the border near Tecate, Baja California and its northern terminus with SR 94 is near Tecate, California. The route was assigned in the area in 1972, and has remained intact since.
State Route 188 or Tecate Road begins at the U.S.-Mexico border in the community of Tecate, Baja California; this border crossing handled roughly four percent of all traffic in between Baja California and California during 2008. The route progresses northward, passing through a large commercial district in Tecate, California. The highway heads to an intersection with Thing Road, where it turns to the northeast and out of the commercial district. The route continues to the northeast, intersecting with Humphries Road, where the surroundings become highly undeveloped. SR 188 continues to an intersection with SR 94 a short distance out of Potrero, where the designation ends and right-of-way merges into SR 94.
The entire route is in 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. In 2013, SR 188 had an annual average daily traffic (AADT) of 5,600 at the northern terminus, and 5,900 at the southern terminus, the latter of which was the highest AADT for the highway.
The original alignment of SR 188, when routes where first assigned, was designated as Legislative Route 94. In the 1964 state highway renumbering, SR 188 was officially defined as "the south end of Fallen Leaf Lake to Route 89 near Camp Richardson"; this was later removed in 1965.
A road from the town of Potrero to Tecate existed by 1917. The Tecate border crossing originally opened in 1932. In 1938, the San Diego County board of supervisors proposed moving rerouting the road to be shorter and on more level ground, although there was opposition from local residents and businesses who favored the old road. However, the route of the road to Tecate has remained the same since then.
The current routing of SR 188 was assigned in 1972. The route has remained virtually unchanged since. The Tecate border crossing expanded through the opening of the Tecate Commercial Vehicle Enforcement Facility, including truck scales; this was completed in 2008, with past expansions to the crossing having been completed in 2004 and 2005.
The entire route is in San Diego County.
|Tecate||0.00||0.00||Mexico–United States border (Tecate Port of Entry)||South end of SR 188; continues south beyond the international border as Avenida Lázaro Cárdenas|
|||1.85||2.98||SR 94 – San Diego, El Centro||North end of SR 188|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015.
- "State Route 188 - Transportation Concept Report" (PDF). Caltrans. December 2011. pp. 3, 5, 8, 9.
- Google (June 10, 2015). "Overview map of California SR 188" (Map). Google Maps. Google. Retrieved June 10, 2015.
- Federal Highway Administration (March 25, 2015). National Highway System: California (South) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved September 16, 2017.
- Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
- California Department of Transportation (2013). "All Traffic Volumes on CSHS". Sacramento: California Department of Transportation.
- California State Assembly. "An act to amend sections 2, 3 and 5 and to add two sections to be numbered 6 and 7 to an act entitled 'An act to provide for the acquisition of rights of way for and the construction, maintenance..." Fiftieth Session of the Legislature. Statutes of California. State of California. Ch. 767 p. 2034–2042.
- California State Assembly. "An act to add Section 253 and Article 3 (commencing with Section 300) to Chapter 2 of Division 1 of, and to repeal Section 253 and Article 3 (commencing with Section 300) of Chapter 2 of Division 1 of, the..." 1963 Session of the Legislature. Statutes of California. State of California. Ch. 385 p. 1182.
- California State Assembly. "An act to amend Sections 253, 307, 317, 322, 334, 342, 347, 349, 361, 363, 372, 373, 374, 379, 384, 390, 407, 408, 443, 455, 470, 486, 514, 517, 548, and 550 of, to add Sections 556, 557, 558, 560..." 1965 Session of the Legislature. Statutes of California. State of California. Ch. 1372.
- California (Map). Automobile Club of Southern California. 1917.
- "Tecate Road Plan Again Up to Board; Protest Hearing Granted for Next Week". The San Diego Union. November 15, 1938. p. A6.
- San Diego County (Map). Automobile Club of Southern California. 1935.
- San Diego County (Map). Thomas Brothers. 2009.
- California State Assembly. "An act to amend Sections 263.3, 263.8, and 415 of, and to add Section 486 to, the Streets and Highways Code, relating to state highways". 1972 Session of the Legislature. Statutes of California. State of California. Ch. 1216 p. 2351.
- Road Information - Area Maps - Caltrans District Eleven (San Diego/Imperial Counties) (Map). California Department of Transportation. 2008. Retrieved July 2, 2009.
- California Department of Transportation (April 2018). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
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