Jack-knifed semi shuts down Mitchell Interchange tunnel

A jack-knifed semi crashed in the northbound to westbound tunnel of Interstate-41/94 to I-43/894 in the Mitchell Interchange causing an interstate closure around 6:30 a.m. Friday, July 15.

The interstate reopened shortly before 1 p.m. 

The driver was not injured, according to the Milwaukee County Sheriff's Office. 

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All traffic is being diverted northbound through the Collector Ramp. 

This is a developing story.