March 9, 2026 3:53 PM

One Person Killed after Rear-End a Semi Tractor-Trailer on Southbound 15 Freeway in Rancho Cucamonga Tuesday Night

RANCHO CUCAMONGA, CA. (Pain In The Pass) >> One person was killed in a violent collision with a semi tractor-trailer on the 15 freeway Tuesday night, according to the California Highway Patrol.

The crash took place at around 10:12pm Tuesday on the middle lane of southbound Interstate 15 just before Foothill Boulevard exit.

First responders found a heavily damaged silver sedan possibly a Toyota Carmy that was jammed partially underneath the back of the semi-trailer. Two other vehicles were in involved in the collision.

One person was pronounced deceased at the scene. Another people involved in the collision were uninjured.

Traffic was affected in the area for several hours.

It was unclear what prompted the crash. The driver has not yet been identified.

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, Rancho Cucamonga Office.

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Cajon Pass
3:53 pm, Mar 9, 2026
temperature icon 67°F
clear sky
Humidity: 23 %
Pressure: 1009 mb
Wind: 14 mph
Wind Gust: 15 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 7:08 am
Sunset: 6:52 pm
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