Hazardous spill closes I-10 Near Kolb in Tucson

A section of I-10 in Tucson remains closed following a crash yesterday involving hazardous materials. The Arizona Department of Public Safety has released few details about the collision involving a commercial truck hauling hazardous material. The accident occurred at approximately 2:43 pm February 14, 2023.

The AZDPS Hazardous Materials Response Unit and partner agencies including Tucson Fire Department, Tucson Police Department, Pima County Sheriff’s Department and Marana Police Department are working together to mitigate the incident. First responders evacuated a perimeter around the area of the incident. AZDPS confirmed that the driver of the vehicle is deceased.

Residents within a half mile of the crash on Interstate 10 southeast of downtown Tucson were ordered to leave and those within a mile were told to shelter in place after liquid nitric acid was determined to be leaking from the truck tractor pulling a box trailer, the Arizona Department of Public Safety said.

The shelter-in-place order was lifted Tuesday night, but officials reinstated the order Wednesday morning, saying gassing occurred as crews tried to remove the load. Area residents were told to turn off heaters and air conditioning systems that bring in outside air.

Interstate 10 remains closed in both directions between Rita and Kolb roads in Tucson. The public should avoid the area and motorists should seek an alternate route. Troopers anticipate an extensive closure.

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