Canadian National 0 Chesapeake and Ohio 0 Chessie System 0 Chicago & Eastern Illinois 0 Chicago and Illinois Midland 0 Chicago and North Western 1 Chicago Burlington & Quincy 0 Conrail 4 Cotton Belt 0 CSX 4 Denver and Rio Grande Western 0 Detroit, Toledo and Ironton 0 Erie 0 Family Lines System 0 Florida East Coast 5 Frisco 0 GATX 0 Great Northern 0 Illiinois Central Gulf 0 Illinois Central 0 Iowa Interstate 4 Kansas City Southern 1 Louisville and Nashville 0 Milwaukee Road 0 Missouri Pacific 0 Missouri, Kansas, Texas 0 Norfolk and Western 4 Norfolk Southern 9 Penn Central 4 Reading & Northern 0 Richmond, Fredricksburg and Potomac 0 Rock Island 0 Santa Fe 1 Soo Line 0 Southern 0 Southern Pacific 0 TTX 0 Union Pacific 4 Wabash 0 Wheeling & Lake Erie 0