Seaboard Century By Angela Cotey | February 20, 2020 | Last updated on August 8, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Seaboard Coast Line Alco C628 No. 2201 leads a mixed consist of locomotives at Colliers Yard near Petersburg, Pa., waiting for a cut of cars. The six-axle Alco was built in 1963 for the Atlantic Coast Line. Walter Gay photo Share this article Print Facebook Related Articles Photo of the Day Classic Trains Great Northern 'Mountain'-series observation car Photo of the Day Classic Trains Lackawanna’s great Pequest Fill Photo of the Day Classic Trains PRR’s first passenger diesel Photo of the Day Classic Trains GG1 to the rescue