A pair of hazmat-related crashes involving heavy trucks are causing significant delays for Friday morning commuters.

A Sacramento crash on Highway 99 critically injured four people as their SUV rolled and hit a pole. SACRAMENTO COUNTY, Calif.

The California Department of Transportation is set to begin a year-long project to upgrade its Transportation Management ...

Highway 99 is partially closed after a big rig fell ... the crash was reported sometime around 10 a.m. See real-time traffic conditions below. Can't see it? Click here. This is a developing ...

CHP was dispatched around 2:40 a.m. to northbound Highway 99 near the off-ramp for French Camp Road. It was unclear what caused the crash. Two vehicles were involved and possible minor injuries ...

CHP was dispatched around 8:35 a.m. to northbound Highway 99 just north of Florin Road.It was unclear what caused the crash. Two vehicles were involved and possible minor injuries were reported.

Highway 99 is getting another four-way stop light as you approach Yuba City from Sacramento. This one is being constructed at Oswald Road at a cost of $15.8 million.