Canadian National 6 Canadian Pacific 11 Chicago and North Western 8 Chicago Burlington & Quincy 4 Conrail 53 Cotton Belt 4 CSX 32 Delaware and Hudson 2 Denver and Rio Grande Western 8 Detroit and Toledo Shore Line 3 Detroit, Toledo and Ironton 3 Erie 3 Erie-Lackawanna 12 Frisco 7 Green Bay & Western 3 Illiinois Central Gulf 9 Illinois Central 20 Illinois Terminal 1 Kansas City Southern 4 Lehigh Valley 6 Louisville and Nashville 18 Milwaukee Road 14 Minneapolis and St Louis 4 Missouri Pacific 3 Missouri, Kansas, Texas 8 Nacionales de Mexico Railway 1 New York Central 11 Nickel Plate Road 3 Norfolk and Western 21 Norfolk Southern 21 Northern Pacific 2 Penn Central 24 Pennsylvania 6 Reading & Northern 1 Rock Island 4 Santa Fe 25 Seaboard Coast Line 3 Southern 5 Southern Pacific 15 Spokane, Portland and Seattle 1 Texas and Pacific 1 Undecorated 2 Union Pacific 98 Wabash 1 Western Pacific 4