Caltrans lowers speed limits along an 11.6-mile stretch of Highway 9 from Santa Cruz to Boulder Creek following a traffic safety survey.

Caltrans has announced full overnight road closures of Highway 29 from Wednesday to Saturday nights for culvert work between Oakville and Rutherford in the Napa Valley.

A portion of state Highway 128 has closed in Anderson Valley on Tuesday due to flooding, according to Caltrans. Highway 128 ...

A crash on westbound Highway 52 near North Clairemont in San Diego caused a several hour closure of the lanes between I-5 and ...

A stretch of the Angeles Crest Highway will be closed indefinitely as crews evaluate damage and begin repairs after a period of heavy rain, Caltrans said. The closed section of the highway is ...

After multiple storms dropped several feet of snow, local mountain communities are gearing up for packed slopes.

How do you stop an avalanche from racing down a hill? It’s something the Caltrans Avalanche Team has to contend with year-round, not just when it snows. To keep ...

Another round of snow moves into Reno-Tahoe Thursday, with several inches possible on the valley floor and heavier snowfall ...

The transportation agency plans to add salt brine applications to Kern River Valley roads in preparation for future snow and ice storms, starting next winter season.

Another round of snow moves into Reno-Tahoe Thursday, with several inches possible on the valley floor and heavier snowfall at Donner Pass.

Chain controls are in effect on several highways in Butte County as winter weather moves into the area.As of 9 a.m., Caltrans ...