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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 .
The first SigAlert was issued on Labor Day 1955, a Monday, over the six radio stations that had signed up. A train had derailed at Union Station, and nurses and doctors were needed. So many showed ...
A vast network of interconnected freeways in the megaregion of Southern California serves a population of over 23 million people. The Master Plan of Metropolitan Los Angeles Freeways was adopted by the Regional Planning Commission in 1947 and construction began in the early 1950s. [1] The plan hit opposition and funding limitations in the 1970s ...
The San Diegan was one of the named passenger trains of the Atchison, Topeka and Santa Fe Railway, and a “ workhorse ” of the railroad. Its 126-mile (203-kilometer) route ran from Los Angeles, California south to San Diego. It was assigned train Nos. 70–79 (Nos. 80–83 were added in 1952 when RDCs began operating on the line).
Interstate 405 (I-405, locally referred to as The 405[2]) is a major north–south auxiliary Interstate Highway in Southern California. The entire route is known as the northern segment of the San Diego Freeway. I-405 is a bypass auxiliary route of I-5, running along the southern and western parts of the Greater Los Angeles urban area from ...
2011 Southwest blackout. The 2011 Southwest blackout, also known as the Great Blackout of 2011, [1][2] was a widespread power outage that affected the San Diego–Tijuana area, southern Orange County, Imperial Valley, Mexicali Valley, Coachella Valley, and parts of Arizona. [3] It occurred on Thursday, September 8, 2011, beginning at about 3 ...
State Route 67. State Route 67 (SR 67) is a state highway in San Diego County, California, United States. It begins at Interstate 8 (I-8) in El Cajon and continues to Lakeside as the San Vicente Freeway before becoming an undivided highway through the eastern part of Poway. In the town of Ramona, the route turns into Main Street before ending ...
August 25, 2024 at 2:57 AM. A California man was arrested after he was allegedly captured on surveillance footage using explosives in unsuccessful attempts to steal cash from two ATMs. Son Nguyen ...