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

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

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

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

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

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

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 ...

The man died after his pickup truck veered off Interstate 15 late Wednesday and crashed into a tree, the California Highway ...

Emergency personnel responded to a three-vehicle crash on Interstate 15 in Leeds on Wednesday morning that left one driver ...

Southbound traffic is now able to travel over the Stoddard Creek Bridge at Interstate 15 Exit 184. Travelers can now turn ...