Building the Virginian Ry., part 11 By Angela Cotey | February 19, 2012 | Last updated on November 7, 2022 Learn how to paint model railroad track Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates The track and roadbed are in place on the HO scale Virginian Ry. project model train layout. Model Railroader associate editor Cody Grivno shows you how to use an airbrush to paint model railroad track in this week’s video journal.