Dolores Hoos's blog ::California earthquakes: Experts want early-warning system [Video Discussion]
If you live in Los Angeles or have driven the freeways here, you may have heard the words "Sig Alert", meaning a big mess on the freeway. While drivers hear those words all the time and know what they mean, most do not know what Sig is or where the term came from. The Sig Alert system was put in place way back in 1955 by pioneering Los Angeles radio broadcaster Loyd "Sig" Sigmon. With Los Angeles' growing freeway system, along with the growing network of radio and television stations, Sigmon worked with the Los Angeles Police Department to devise a system to alert motorists of problems. The system would alert drivers, via all means necessary, of any traffic incident causing a delay of 30 minutes or more. The original devices, revolutionary at the time, were installed in LAPD patrol cars, along with receiver units at radio and TV stations. Any traffic emergency could immediately be broadcast to the media, and then to the public. The police chief, thinking the system would never work, named it "SigAlert" after Loyd and the name stuck. The system proved very successful and was even used to warn citizens of an impending dam collapse in 1963. The system was taken over by the California Highway Patrol and the CHP continues to operate it today. Drivers like me in Los Angeles know a Sig Alert means big delays and to avoid the area. But most people don't know there once was a Sig Sigmon who invented the system that still saves us time almost 60 years later. The system is now online, at sigalert.com, offering live traffic maps and alerts. The sigalert.com site is owned by radio conglomerate Westwood One. Sources: sigalert.com Wikipedia - http://en.wikipedia.org/wiki/Sig_Alert |
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