Drivers could wait up to four minutes or even longer at the on-ramp.

A solo-vehicle crash left a vehicle overturned early Sunday on southbound Interstate 15 near Mission Road in Fallbrook, ...

California is testing a ‘smart highway’ where algorithms determine the speed limit and when cars can enter the freeway - The two year pilot program costs $33 million — significantly less than it would ...

California launches its first ever 'smart freeway' on the I-15 in Temecula, using high-tech solutions to manage congestion ...

LAS VEGAS (KLAS) — Interstate 15 traffic is slowing at the Nevada-California border, but vehicles are moving steadily as drivers head home after a long holiday weekend in Las Vegas. Cameras near the ...

LATEST May 25, 6:40 p.m. Traffic along Interstate 15 along the California-Nevada border has cleared for evening traffic after being gridlocked on Memorial Day afternoon. Caltrans reports no traffic ...