Plate 78 (2 Drawings) from The Plan of Chicago, 1909: Suggested Location and Arrangement of the Railway Passenger Stations… https://www.rawpixel.com/image/8937780/image-paper-drawings-plateFree Image from public domain licenseChicago with neon signs background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3302056/free-photo-image-asphalt-neon-advertisementFree Image from public domain licensePlate 80 from The Plan of Chicago, 1909: Chicago. Diagram of City Center, Showing the Proposed Arrangement of Railroad… https://www.rawpixel.com/image/8937739/image-roads-map-plateFree Image from public domain licenseChicago, Illinois. Unloading express from the Burlington Zephyr train at the Union Station. Sourced from the Library of… https://www.rawpixel.com/image/12290739/photo-image-person-public-domain-architectureFree Image from public domain licenseChicago, Illinois. A Baltimore and Ohio Railroad train about to depart from the Union Station via the Alton Road to Saint… https://www.rawpixel.com/image/12290723/photo-image-light-road-public-domainFree Image from public domain licenseMan watching subway construction, Chicago, Illinois. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259775/photo-image-face-hand-personFree Image from public domain licenseChicago, Illinois. A Chicago, Milwaukee, Saint Paul, and Pacific Railroad train, just arrived at Union Station. Sourced from… https://www.rawpixel.com/image/12290902/photo-image-pattern-public-domain-lineFree Image from public domain license