R403 crawls through the frozen tundra of the former Potomac Yard.
R403 is west on number 1 track past Laurel Station on the Capital Sub.
R403 crosses the frozen Anacostia River on a cold winter morning.
R403 is shown passing Anacostia Tower as it leaves CSX's Alexandria Subdivision and enters onto Conrail's Landover Line.
R403 is westbound on the Philadelphia Subdivision in Baltimore, passing through one of the many tunnels between Clifton Park and Mt. Royal.