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Sig Alert. Sig alert, Sig-alert or Sigalert in California, as well as other parts of the United States, means an incident that significantly disrupts road traffic. The term was originally the name of a pioneering system of automated radio broadcasts regarding traffic conditions, introduced in the 1950s and named after its inventor, Loyd Sigmon.
Metropolitan Los Angeles Freeway System and Metropolitan Inland Empire. The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million people. The Master Plan of Metropolitan Los Angeles Freeways was adopted by the Regional Planning Commission in 1947 ...
With a population of over 1.3 million residents, the city is the eighth-most populous in the United States and the second-most populous in the state of California after Los Angeles. The city is the seat of San Diego County, which has a population of nearly 3.3 million people as of 2021. [15]
Inland Empire. The Inland Empire (commonly abbreviated as the IE) is a metropolitan area or region inland of and adjacent to coastal Southern California, centering around the cities of San Bernardino and Riverside, and bordering Los Angeles County to the east.
The airport is located three miles (4.8 km; 2.6 nmi) northwest of downtown San Diego. It is owned and operated by the San Diego County Regional Airport Authority. [6] [7] The airport covers 663 acres (268 ha) of land [6] [8] and is ranked the third busiest airport in California in terms of passenger traffic.
The San Diego County Sheriff's Department ( SDSD ), is the primary and largest law enforcement agency in San Diego County, California, and one of the largest sheriff's departments in the United States: with over 4,000 employees, an annual budget of over $960 million, and a service area over 4,500 square miles extending to a 60-mile ...
San Diego officially became part of the U.S. in 1848, and the town was named the county seat of San Diego County when California was granted statehood in 1850. It remained a very small town for several decades, but grew rapidly after 1880 due to development and the establishment of multiple military facilities.
1964 [7] San Diego State University ( SDSU) is a public research university in San Diego, California. Founded in 1897 as San Diego Normal School, it is the third-oldest university and southernmost in the 23-member California State University (CSU) system. The university offers bachelor's degrees, master's degrees, and doctoral degrees through ...