Both Caltrans and the CHP originally said the issue was caused by a spill of wet cement, when, in fact, it was sludge — Ed. A ...

Motorists were warned to expect significant delays while crews cleaned up the area following the spill during the morning ...

A wet cement spill Wednesday snarled traffic as it backed up two right lanes and an off-ramp on Interstate 15 in San Diego.

A tractor trailer transporting sludge dredged from the ocean spilled its load Wednesday morning onto Interstate 15 northbound, just south of Friars Road, authorities said.

A tractor trailer transporting sludge dredged from the ocean spilled its load Wednesday morning onto Interstate 15 northbound, just south of Friars Road.

A vegetation fire burned 50 acres Monday near Interstate 15 in Lake Elsinore and was 35% contained. The fire was reported ...

Interstate 15 near the resort corridor is set for back-to-back full directional weekend closures as crews repave and restripe ...

Brightline West has announced another round of field investigation work for its 218-mile high-speed rail project from Las ...

A 10-year-old boy killed late Saturday night in a wrong-way crash on Interstate 15 north of Las Vegas was identified on ...

Repairs and improvements are starting today on the first of 11 bridges along Interstate 15 north of Roberts toward the ...