Demonstrators stage a 'die-in' at L.A. City Hall on Saturday, alleging the city hasn't done enough to improve road safety for pedestrians and cyclists.

Emmy-nominated composer Guy Moon, whose music helped define generations of children’s television programming, died Thursday following a traffic collision in Los Angeles County. He was 63. According to ...

Los Angeles, Honolulu, and San Francisco ranked among the nation’s most congested cities, while New York reduced traffic and ...

It’s Thanksgiving, and the 405 Freeway has once again become a symbol of the holiday travel crush as viral aerial footage shows Los Angeles traffic reduced to a crawl under a sea of red brake lights.

Across Southern California, hundreds of officers have written millions of tickets totaling about $2.4 billion. While police officers say it's just about safety, some suspect it's really about racing ...