Light rains did their best to snarl traffic this morning in downtown Los Angeles as L.A. City Councilmember Tom LaBonge and several transportation officials marked the anniversary of what is now known as the “SigAlert” traffic report.
It was Jan. 22, 1955, when the first “SigAlert” radio broadcast was aired in Los Angeles in recognition of the growing amount of car traffic on the region. The SigAlert has since become a standard part of radio and television traffic coverage for auto congestion that closes down traffic lanes for a half hour or more.
SigAlert, named after station executive Lloyd Sigmon, were originally transmitted by police dispatchers. It is now issued by the California Highway Patrol.
These days more and more motorists can turn to the Internet or their smart phones to receive up-to-date driving conditions. Sigalert.com graphically shows traffic trouble spots on a map of the regional freeway system. The Go511.com web site also has a map of live freeway traffic, and Caltrans recently added a service called Quickmap on its web site showing roadway conditions.