The northbound lanes of the San Diego (405) Freeway in Westchester will be shut down for hours, the CHP warned Friday.

A person died in a crash on the 5 Freeway in Pacoima overnight, authorities say. The crash occurred on the northbound span of ...

iOS/Web: If you need a bit more info on traffic than your navigation app can give, Sigalert provides you with color-coded maps, detailed information about traffic flow, camera feeds, and up-to-date ...

Financial terms weren’t disclosed, but clearly Westwood One is now able to make acquisitions after the financial restructuring it underwent in 2009. The deal announced Tuesday to buy Sigalert will ...

A sedan overturned in a crash involving a semi-truck and SUV on eastbound I-580, temporarily blocking all lanes.

Sigalert is now part of Westwood One. Sigalert was launched 11 years ago by Jonathan Berke and Joel Johnstone, who stay on. The seller is Jaytu Technologies LLC, a regional provider of traffic info.

A. Sig as in Loyd Sigmon, dig? An executive at KMPC radio in L.A., he invented a device that allowed a police dispatcher to send out a message on an emergency that could affect traffic: A red light ...

A highway in Bexar County is partially shut down on Friday, June 12, following a major crash. Authorities advise drivers to ...

Loyd Sigmon, the fellow who invented the traffic bulletin known as a SigAlert, died earlier this week. The term became a part of radio broadcasts nearly half a century ago and yet, as his obituary ...