Brand-new GN Railway Post Office By Angela Cotey | March 19, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Fresh from the American Car & Foundry plant in 1950, this RPO is ready for service on Great Northern’s newly re-equipped Empire Builder. The 85-foot car has a 60-foot RPO apartment. ACF photo