Central Illinois ‘Gulf’ By Angela Cotey | August 20, 2019 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates A Gulf, Mobile & Ohio-painted GP30 and GP35 roll an Illinois Central Gulf train south near Odell, Ill., on the main line connecting Chicago, Springfield, Ill.; and Kansas City, Mo., in July 1980. J. David Ingles photo