The $167.6 million project will add a third lane in each direction for about 14 miles of Highway 99. The project, which will ...

Due to the I-80 and US 50 Rehabilitation Project, Caltrans notified drivers of a new traffic configuration on the westbound ...

Mariposa Street pedestrian and ADA improvements show new 7-foot sidewalks on both sides and ADA-compliant curb ramps on all ...

To complete critical bridge maintenance and upgrades, Caltrans announced Wednesday that it will fully close the southbound Appian Way Overcrossing for two weekends (55 hours each) starting this Friday ...

A megafire that straddles two Central California counties has forced Caltrans to cancel its plans to close a highway near the ...

The closures will begin on Friday at 10 p.m. and end on Monday at 5 a.m. as Caltrans crews repave the lanes and replace sign ...

With the Gifford fire burning largely to the north in San Luis Obispo County Wednesday, Caltrans reopened Highway 166 at noon ...

Highway 166 runs along the Cuyama River, with San Luis Obispo County to the north and Santa Barbara County to the south. On ...

Highway 166 reopened Wednesday at noon as firefighters have contained over 37% off the Gifford Fire east of Santa Maria.

Highway 166 between Santa Maria and New Cuyama reopened Wednesday after a long closure due to the Gifford Fire burning along both sides of the ...

SANDAG and Caltrans are celebrating the opening of the Siempre Viva Bridge in Otay Mesa, which is part of the State Route 11/ ...