A spill of an unknown substance on Interstate 15 in the Mission Valley area blocked multiple lanes and caused a major traffic ...

Traffic was backed up on some lanes of northbound Interstate 15 near Friars Road in San Diego due to a spill Wednesday ...

All southbound lanes of Interstate 15 have been closed in Utah County due to a fatal crash blocking all lanes.The crash ...

A Utah man has been charged in connection with the shooting on Interstate 15 in February, which resulted in the death of a 27 ...

An ongoing Caltrans project will affect southbound Interstate 15 in Hesperia The $25 million Cajon Weigh Station Relocation ...

Two people were killed in an accident on the southbound lanes of Interstate 15 in Payson on Tuesday afternoon.

SALT LAKE CITY — A crash on northbound Interstate 15 in Salt Lake County caused a fire to start off the side of the roadway ...

Northbound Interstate 15 was closed Sunday afternoon after a semitruck attached to a "car hauler" rolled over, according to ...

The fatal crash occurred at 2:35 a.m. early Saturday morning on northbound Interstate 15, north of Interstate 805 ...

A sinkhole on I-15 near Roy caused traffic delays and emergency repairs, with plans for more extensive fixes later.

A woman is dead and a man suffered injuries following a one-vehicle crash Wednesday afternoon on Interstate 15 south of ...