Transformers 4

Workers stage a car accident on the Michigan Avenue during the filming of the movie Transformers 3 on July 16, 2010 in Chicago, Illinois. Sections of Michigan Avenue, in the heart of the city's downtown, will be closed until Monday morning to accommodate the filmmakers. (Photo by Scott Olson/Getty Images)

‘Transformers 4’ Filming Means Excitement, But Traffic Issues

Listen very carefully: if you see giant alien robots destroying our city this weekend, DO NOT PANIC.