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United States Postal Service
Knight Architects
Chicago, IL
1,900,000 sf, 8 stories

At 1.9 million square feet, the USPS Chicago Processing and Distribution Center was the largest postal facility to be built in the U.S. at the time. The building features a two-story processing area with an eight-story administrative area. The structure spans the existing railroad tracks leading from Union Station.
Despite delays caused by the 1992 Chicago tunnel flood and the 1993 Des Moines River flood, construction of this facility was completed on schedule.