February 21, 2026 9:16 AM

Hazmat Cleanup of Spill Diesel Fuel at the Top of the Cajon Pass caused a Traffic Jam Wednesday Morning

CAJON PASS, CA. (Pain In The Pass) >> A major spill of diesel fuel has spilled on Interstate 15 near the old Brake Check Area that has shut down the southbound lanes of the freeway for hours. (Photo above is credit by Christy Cordell)

Just before 5pm Tuesday evening, a large white box truck was disabled in the slow lane about a mile after the Oak Hill Road exit. The driver of the box truck said the fuel tanks were broken and dripping fuel all over the traffic lanes and the right shoulder of the construction area. Around 5 gallons of diesel spilling onto the roadway and righ shoulder of the old Brake Check Area, Caltrans said.

Caltrans with help of the California Highway Patrol did a traffic break Wednesday morning at 8am to cleanup the slow lane and the right shoulder.

The hazmat team was on scene to clean up the fuel, causing the southbound lanes of the freeway to backup for several hours.

In the traffic backup there was multiple crashes made more traffic headaches for drivers going down the Cajon Pass.

Cones were pickup at 11am and traffic was backup all the way to Bear Valley Road with all the accidents and the cleanup.

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Cajon Pass
9:16 am, Feb 21, 2026
temperature icon 42°F
clear sky
Humidity: 44 %
Pressure: 1022 mb
Wind: 11 mph
Wind Gust: 11 mph
Clouds: 3%
Visibility: 10 km
Sunrise: 6:28 am
Sunset: 5:38 pm
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