Progress Rail EMDs 7223 and 7218 head up strings of locomotives that are stored on the tracks at just outside the KCS East St. Louis, IL yard as downtown St. Louis and the Arch looms in the background a misty rainy day on May 21st, 2022.

According to Wikipedia: Progress Rail Services Corporation (reporting mark PRLX), a wholly owned subsidiary of Caterpillar since 2006, is a supplier of railroad and transit system products and services headquartered in Albertville, Alabama. Founded as a recycling company in 1982, Progress Rail has increased the number of its product and service offerings over time to become one of the largest integrated and diversified suppliers of railroad and transit system products and services in North America. Progress Rail markets products and services worldwide and maintains 110 facilities in the United States, 34 in Mexico, four in Canada, two in Brazil, five in UK, one in Italy, and one in Germany.

Tech Info: Nikon D800, RAW, Sigma 150-600 @ 500mm, f/6, 1/500, ISO 500.