https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12290676Edit ImageSaveSaveEditCropCustom TextChicago, Illinois. All motor traffic to and from the Union Station goes through an underground tunnel. A small lunch room is maintained there for cab and truck drivers. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1082 x 1200 px | 300 dpiLarge JPEG 3156 x 3500 px | 300 dpiBest Quality JPEG 4861 x 5390 px | 300 dpiTIFF 4861 x 5390 px | 300 dpi | 49.97 MBFree DownloadChicago, Illinois. All motor traffic to and from the Union Station goes through an underground tunnel. A small lunch room is maintained there for cab and truck drivers. Sourced from the Library of Congress.More