Why does the 15 freeway become a state route and not remain as an interstate south of Interstate 8 in San Diego?

The crash happened just before 9:30 p.m. just south of Central Ave. on northbound lanes of I-15, according to CHP officers.

Construction has begun to implement an innovative stretch of freeway that will use sensors and ramp meters to ease congestion ...

A fatal crash on northbound I-15 near the Salt Lake and Utah County line closed four right-hand lanes Thursday morning.

Nevada State Police responded to a fatal rollover crash on I-15 near Mesquite, with one male casualty confirmed.

A Cal Fire firefighter went from battling flames at the Eaton Fire to delivering a baby after he helped a woman give birth on ...

Just after 6:30 a.m. on the southbound 15 Freeway, paramedics successfully delivered the little girl in the back of their ambulance, firefighters said. "The delivery was smooth, with no ...