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THORNTON, Colo. (KDVR) — The Colorado Department of Transportation says the southbound lanes of Interstate 25 have reopened between 84th Avenue and Thornton Parkway following a rollover crash.

The northbound lanes of I-25 reopened around 8:45 a.m. at 84th Avenue. The on-ramp to I-25 from 84th Avenue is also back open.

Earlier story:

The crash was reported before 3:30 a.m. and involved a tanker that was leaking chemicals.

The Thornton Police Department said the man driving the tanker was taken to the hospital with injuries. The severity of his injuries is unclear at this time.

You can use Washington Street, Huron Street, and 104th Avenue as alternative routes, TPD said.

If you are traveling in the area, expect delays. The cause of the crash is under investigation.