CLEAR CREEK COUNTY, Colo. (CBS4) – A major headache for drivers on Interstate 70 Saturday night when a semi truck caught fire.

Colorado Department of Transportation cameras caught the backups caused by the fire near Herman Gulch Road, outside of the Eisenhower Tunnel.

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(credit: CBS)

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Colorado State Patrol says the truck was carrying 38,000 lbs. of vegetable oil.

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At one point, both lanes going westbound were closed. Those lanes have since reopened, according to CDOT’s Twitter page.