Didn't realize how many RR's Norfolk & Western assimulated until I started researching it a little:
Nickel Plate Road
Wabash
Southern
Virginian
Pittsburgh &West Virginia
Akron, Canton, & Youngstown
Delaware & Hudson
Erie Lackawanna
Reading
Central Railroad of New Jersey
Conrail
Illinois Terminal
Nickel Plate Road
Wabash
Southern
Virginian
Pittsburgh &West Virginia
Akron, Canton, & Youngstown
Delaware & Hudson
Erie Lackawanna
Reading
Central Railroad of New Jersey
Conrail
Illinois Terminal