07/09/2010 12:18 pm ET Updated May 25, 2011

'Transformers 3' Filming: Chicago Downtown Streets Closed

The filming of "Transformers 3" may transform the way you get around the downtown area this weekend.

The second sequel in the popular action series--starring Shia LaBeouf and Rosie Huntington-Whiteley--will be shooting in Chicago from Saturday through Aug. 23. The city estimates it will boost the local economy by some $20 million and create more than 200 jobs.

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