CAJON PASS, CA. (Pain In The Pass) >> Three northbound lanes of Interstate 15 in the Cajon Pass were shut down for hours on Monday late afternoon after the trailer of a semi-truck became detached from the truck, according to the California Highway Patrol.
The incident happened, at 4:06pm December 22, 2025, on northbound I-15 about two miles before the Cleghorn Road exit. A semi tractor-trailer driver was traveling on northbound middle lane.
The semi-truck, which had a 53-foot trailer attached to it, became detached from the tractor and came to rest in the roadway.
Some time after 6pm the trailer was removed by a heavy-duty tow truck.
Traffic was backup all the way to the 210 Freeway at one point.
There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 166,000 members. Join the group on MeWe. Like us on the on Facebook. Follow us on Instagram, and also follow us on Threads, and X aka Twitter.
