April 6, 2026 5:20 AM

Semi Trailer Overturned in the Cajon Pass Snarls Traffic

CAJON PASS, CA. (Pain In The Pass) >> One set of a double-tanker trailers overturned Wednesday morning on southbound Interstate 15 Freeway resulting in a traffic jam. (Photo above is credit by Judi Bonnett.)

California Highway Patrol and a heavy duty tow truck responded to the incident.  The crash occurred about 9:27am on southbound I-15 just before Highway 138 exit on December 13, 2023, blocking the slow lane for several hours.

The Pneumatic/Dry Bulk Tank trailer was reported to be full, resulting in no injuries, authorities said.

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
5:20 am, Apr 6, 2026
temperature icon 48°F
overcast clouds
Humidity: 28 %
Pressure: 1015 mb
Wind: 3 mph
Wind Gust: 4 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 6:29 am
Sunset: 7:13 pm
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57°/57°°F 0 mm 0% 6 mph 54% 1015 mb 0 mm/h
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54°/54°°F 0 mm 0% 5 mph 54% 1015 mb 0 mm/h
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52°/52°°F 0 mm 0% 4 mph 53% 1014 mb 0 mm/h