Keywords
america, chicago, chicago transit authority, commute, compartment, conveyance, cta, cta train, electric train, electrical train, fast, function, illinois, locomotive, movement, moving, photography, rail, railroad, railway, railway station, service, sky, speed, square, train, transport, travel, united states of america, urban, utility, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u16737417