A somewhat secret street, dubbed the "bat cave," lets VIPs and those on approved trips zip through Chicago city traffic. The 2.5 mile roadway stretches from Randolph and Michigan to McCormick Place.
Click on the video above to get the full story.
The shortcut remains closed to the public.
Hidden Chicago is an exclusive abc7 series uncovering secrets of Chicago. Click here to watch more stories.
Hidden Chicago: A secret shortcut
More TOP STORIES News