May 17, 2026 4:26 AM

A Semi Trailer Overturned in the Cajon Pass Snarls Traffic on a Rainy Saturday Morning

CAJON PASS, CA. (Pain In The Pass) One set of a double-tanker trailers overturned on a rainy Saturday morning on southbound Interstate 15 Freeway resulting in a major traffic jam. (Photo above is credit by Mary B. Beckett.)

California Highway Patrol and a heavy-duty tow truck responded to the incident. The crash occurred just before 9am on southbound I-15 about a mile before the Kenwood Avenue exit on March 23, 2024, blocking multiple lanes for several hours.

The Pneumatic/Dry Bulk Tank trailer was reported to be full and reported negative spill of cement mix on the roadway, authorities said.

At this time, CHP said speed and weather was a factor in the crash.

No injuries were reported.

We will update this story with more information when the CHP’s preliminary accident report is available. Additional details were limited at this time. This incident will be under investigation by the California Highway Patrol, Inland Office.

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Cajon Pass
4:26 am, May 17, 2026
temperature icon 50°F
scattered clouds
Humidity: 86 %
Pressure: 1007 mb
Wind: 13 mph
Wind Gust: 13 mph
Clouds: 40%
Visibility: 10 km
Sunrise: 5:45 am
Sunset: 7:46 pm
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