The three-story building's exterior walls and twelve-story clock tower were composed of pink granite and red pressed brick topped by a number of steeply-pitched roofs.

[4] Amtrak (the National Railroad Passenger Corporation) chose to consolidate its Chicago operations at the Union Station.

The arrival of the Atchison, Topeka & Santa Fe Railway's San Francisco Chief and Grand Canyon from California on May 2 brought intercity operations at Dearborn to a close.

[3] By 1976, Dearborn Station's train shed was demolished and tracks were removed; the head house building was retained.

Some of the railroads that served the station include the following, with some of the more well-known name trains listed: The following commuter rail services also operated from the station: In blues musician Henry Thomas' 1927 song "Railroadin' Some", the "Polk Street Depot" is the next to last stop on a journey that begins in Fort Worth, Texas, and ends in Chicago.