Why Chicago's Hidden Street has 3 Levels (The History of Wacker Drive)

They are now running a Black Friday Sale. Go to and get an additional 10% off on any purchase with code ITSHISTORY. Thanks to Established Titles for sponsoring this video! Wacker Drive is a major multilevel street in Chicago, Illinois, running along the south side of the main branch and the east side of the south branch of the Chicago River in the Loop.[2] The vast majority of the street is double-decked; the upper level is intended for local traffic, and the lower level for through traffic and trucks serving buildings on the road (and originally a dock). It is sometimes cited as a precursor to the modern freeway, though when it was built the idea was that pleasure vehicles would use the upper level. It is the only street in the city that is prefixed with all four cardinal directions, albeit on different parts of its route.[a] The drive is named for early 20th century Chicago businessman and city planner Charles H. Wacker. The upper level is normally known a