Railway Signaling: 1947

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80 mph order 1
Signaling Order Issued by ICC   533.4 KB
Aberdeen, SD 1
Milwaukee Installs Block System on 98 Miles   1.2 MB
absolute permissive block 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
all-relay interlocking 6
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Large All-Relay Interlocking on the New York Central   2.5 MB
More CTC on the Burlington   2.0 MB
The New Haven Installs All-Relay Interlocking at Providence, RI   1.9 MB
Alton 1
Territories Involved in the ICC Signaling Order   388.3 KB
Atchison, Topeka & Santa Fe 4
CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
ICC Holds Signal Hearing   507.5 KB
Signaling Order Issued by ICC   533.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Atlanta, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Atlantic Coast Line 1
Territories Involved in the ICC Signaling Order   388.3 KB
Augusta, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Aurora, IL 1
More CTC on the Burlington   2.0 MB
automatic block signaling 6
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
Hoosac Tunnel Interlocking and CTC   1.7 MB
Milwaukee Installs Block System on 98 Miles   1.2 MB
Signaling Order Issued by ICC   533.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
automatic train control 3
ICC Holds Signal Hearing   507.5 KB
Signaling Order Issued by ICC   533.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
automatic train stop 4
Hoosac Tunnel Interlocking and CTC   1.7 MB
ICC Holds Signal Hearing   507.5 KB
Signaling Order Issued by ICC   533.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Ayer, MA 1
CTC Extension on the Boston & Maine   792.3 KB
Bakersfield, CA 1
ICC Holds Signal Hearing   507.5 KB
Barnett, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Barstow, CA 1
ICC Holds Signal Hearing   507.5 KB
Bellevue, OH 1
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
Boston & Maine 2
CTC Extension on the Boston & Maine   792.3 KB
Hoosac Tunnel Interlocking and CTC   1.7 MB
Boston, MA 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
Brayton, RI 1
The New Haven Installs All-Relay Interlocking at Providence, RI   1.9 MB
Breckenridge, MN 1
ICC Holds Signal Hearing   507.5 KB
Bridge, UT 1
Southern Pacific Installs CTC   990.2 KB
Bristol, VA 1
107 Miles of CTC on the N&W   2.3 MB
cab signaling 1
ICC Holds Signal Hearing   507.5 KB
cab signals 2
Signaling Order Issued by ICC   533.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Calumet River 1
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Camak, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Canadian National 1
Territories Involved in the ICC Signaling Order   388.3 KB
Canadian Pacific 2
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Canadian, TX 1
CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
Canby, WA 1
ICC Holds Signal Hearing   507.5 KB
Carolina & Western Carolina 1
Territories Involved in the ICC Signaling Order   388.3 KB
Central of Georgia 1
Territories Involved in the ICC Signaling Order   388.3 KB
centralized traffic control 7
107 Miles of CTC on the N&W   2.3 MB
CTC Extension on the Boston & Maine   792.3 KB
CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
CTC Saves Train Time on the Pennsylvania   1.5 MB
Developments in Signaling   493.6 KB
Hoosac Tunnel Interlocking and CTC   1.7 MB
Southern Pacific Installs CTC   990.2 KB
Cheyenne, WY 1
ICC Holds Signal Hearing   507.5 KB
Chicago & Eastern Illinois 2
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Chicago & Illinois Midland 1
Territories Involved in the ICC Signaling Order   388.3 KB
Chicago & North Western 2
ICC Holds Signal Hearing   507.5 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Chicago Great Western 1
Territories Involved in the ICC Signaling Order   388.3 KB
Chicago, Burlington & Quincy 2
ICC Holds Signal Hearing   507.5 KB
More CTC on the Burlington   2.0 MB
Chicago, IL 1
ICC Holds Signal Hearing   507.5 KB
Chicago, Milwaukee, St. Paul & Pacific 3
Developments in Signaling   493.6 KB
Milwaukee Installs Block System on 98 Miles   1.2 MB
Territories Involved in the ICC Signaling Order   388.3 KB
Chicago, Rock Island & Pacific 2
ICC Holds Signal Hearing   507.5 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Chicago, St. Paul, Minneapolis & Omaha 1
Territories Involved in the ICC Signaling Order   388.3 KB
Coalhurst, Alberta 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
coded track circuits 2
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
Developments in Signaling   493.6 KB
color light signals 3
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
Hoosac Tunnel Interlocking and CTC   1.7 MB
Colorado & Southern 1
Territories Involved in the ICC Signaling Order   388.3 KB
Columbus & Greenville 1
Territories Involved in the ICC Signaling Order   388.3 KB
controlled automatic block 2
Developments in Signaling   493.6 KB
Milwaukee Installs Block System on 98 Miles   1.2 MB
Cory, IL 1
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Cranbrook, British Columbia 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
Crowsnest, Alberta 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
Danville Jct., IL 1
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Danville, IL 1
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Denver & Rio Grande Western 1
Territories Involved in the ICC Signaling Order   388.3 KB
Denver, CO 1
ICC Holds Signal Hearing   507.5 KB
Depew, NY 1
Large All-Relay Interlocking on the New York Central   2.5 MB
Detroit & Toledo Shore Line 1
Territories Involved in the ICC Signaling Order   388.3 KB
dragging equipment detector 1
Southern Pacific Installs CTC   990.2 KB
drawbridge interlocking 1
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Dunmore, Alberta 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
electric lock switches 1
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
electro-pneumatic interlocking 2
CTC Extension on the Boston & Maine   792.3 KB
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
Elgin, Joliet & Eastern 1
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Flag Center, IL 1
More CTC on the Burlington   2.0 MB
Florida East Coast 1
Territories Involved in the ICC Signaling Order   388.3 KB
Ft. Worth & Denver City 1
Territories Involved in the ICC Signaling Order   388.3 KB
Gary, IN 1
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
General Railroad Signal 1
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
General Railway Signal 7
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Hoosac Tunnel Interlocking and CTC   1.7 MB
Large All-Relay Interlocking on the New York Central   2.5 MB
More CTC on the Burlington   2.0 MB
Georgia 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Grand Trunk Western 1
Territories Involved in the ICC Signaling Order   388.3 KB
Great Northern 3
Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
ICC Holds Signal Hearing   507.5 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Groveton, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Gulf, Mobile & Ohio 1
Territories Involved in the ICC Signaling Order   388.3 KB
highway crossings 1
Developments in Signaling   493.6 KB
Hoosac Tunnel 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
Hoosick Falls, NY 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
Huntington, OR 1
ICC Holds Signal Hearing   507.5 KB
Illinois Central 1
Territories Involved in the ICC Signaling Order   388.3 KB
Illinois Terminal 1
Territories Involved in the ICC Signaling Order   388.3 KB
interlocking 3
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
Large All-Relay Interlocking on the New York Central   2.5 MB
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
International-Great Northern 1
Territories Involved in the ICC Signaling Order   388.3 KB
Interstate Commerce Commission 3
ICC Holds Signal Hearing   507.5 KB
Signaling Order Issued by ICC   533.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
isconsin Central 1
Territories Involved in the ICC Signaling Order   388.3 KB
Kansas City Southern 1
Territories Involved in the ICC Signaling Order   388.3 KB
Lethbridge, Alberta 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
Lincoln, NE 1
ICC Holds Signal Hearing   507.5 KB
Lithonia, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Lock Haven, PA 1
CTC Saves Train Time on the Pennsylvania   1.5 MB
Long Lake, MN 1
ICC Holds Signal Hearing   507.5 KB
Los Angeles, CA 1
ICC Holds Signal Hearing   507.5 KB
Louisiana & Arkansas 1
Territories Involved in the ICC Signaling Order   388.3 KB
Louisville & Nashville 1
Territories Involved in the ICC Signaling Order   388.3 KB
Lucin, UT 1
Southern Pacific Installs CTC   990.2 KB
Lydale Jct., MN 1
Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
Lyons, WA 1
ICC Holds Signal Hearing   507.5 KB
manual block 1
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
manual block signaling 2
Signaling Order Issued by ICC   533.4 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Mechanicsville, NY 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
Minneapolis, St. Paul & Sault Ste. Marie 1
Territories Involved in the ICC Signaling Order   388.3 KB
Minot, ND 1
ICC Holds Signal Hearing   507.5 KB
Missouri Pacific 1
Territories Involved in the ICC Signaling Order   388.3 KB
Missouri-Kansas-Texas 1
Territories Involved in the ICC Signaling Order   388.3 KB
Mobridge, SD 1
Milwaukee Installs Block System on 98 Miles   1.2 MB
Mojave, CA 1
ICC Holds Signal Hearing   507.5 KB
motor car indicators 1
CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
Nelson, British Columbia 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
New Orleans, Texas & Mexico 1
Territories Involved in the ICC Signaling Order   388.3 KB
New York Central 2
Large All-Relay Interlocking on the New York Central   2.5 MB
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
New York, Chicago & St. Louis 2
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
Territories Involved in the ICC Signaling Order   388.3 KB
New York, New Haven & Hartford 1
The New Haven Installs All-Relay Interlocking at Providence, RI   1.9 MB
Nolan, ND 1
ICC Holds Signal Hearing   507.5 KB
Norfolk & Western 2
107 Miles of CTC on the N&W   2.3 MB
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
North Adams, MA 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
North Platte, NE 1
ICC Holds Signal Hearing   507.5 KB
North Yard (Danville, IL) 1
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Northern Pacific 1
Territories Involved in the ICC Signaling Order   388.3 KB
Ogden, UT 1
ICC Holds Signal Hearing   507.5 KB
Omaha, NE 1
ICC Holds Signal Hearing   507.5 KB
passenger trains 1
Signaling Order Issued by ICC   533.4 KB
Pennsylvania 2
CTC Saves Train Time on the Pennsylvania   1.5 MB
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
Penticton, British Columbia 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
Peoria & Eastern 1
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Pere Marquette 1
Territories Involved in the ICC Signaling Order   388.3 KB
Pocatello, ID 1
ICC Holds Signal Hearing   507.5 KB
Porter, L. B. 1
Developments in Signaling   493.6 KB
position light signals 1
107 Miles of CTC on the N&W   2.3 MB
Providence, RI 1
The New Haven Installs All-Relay Interlocking at Providence, RI   1.9 MB
Radford, VA 1
107 Miles of CTC on the N&W   2.3 MB
Redan, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Roanoke, VA 1
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
Rotterdam Jct. 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
route interlocking 1
Large All-Relay Interlocking on the New York Central   2.5 MB
San Diego, CA 1
ICC Holds Signal Hearing   507.5 KB
San Francisco, CA 1
ICC Holds Signal Hearing   507.5 KB
Savanna, IL 1
More CTC on the Burlington   2.0 MB
Schenectady, NY 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
searchlight signals 9
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Hoosac Tunnel Interlocking and CTC   1.7 MB
Large All-Relay Interlocking on the New York Central   2.5 MB
Milwaukee Installs Block System on 98 Miles   1.2 MB
Southern Pacific Installs CTC   990.2 KB
The New Haven Installs All-Relay Interlocking at Providence, RI   1.9 MB
slide detector fences 1
107 Miles of CTC on the N&W   2.3 MB
Soapstone, MA 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
Social Circle, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
South Chicago, IL 1
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Southern 1
Territories Involved in the ICC Signaling Order   388.3 KB
Southern Pacific 2
ICC Holds Signal Hearing   507.5 KB
Southern Pacific Installs CTC   990.2 KB
Spokane, Portland & Seattle 1
Territories Involved in the ICC Signaling Order   388.3 KB
spring switches 2
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
St. Cloud, MN 1
Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
St. Louis Southwestern 1
Territories Involved in the ICC Signaling Order   388.3 KB
St. Louis Southwestern of Texas 1
Territories Involved in the ICC Signaling Order   388.3 KB
St. Louis, Brownsville & Mexico 1
Territories Involved in the ICC Signaling Order   388.3 KB
St. Louis, San Francisco & Texas 1
Territories Involved in the ICC Signaling Order   388.3 KB
St. Louis-San Francisco 1
Territories Involved in the ICC Signaling Order   388.3 KB
St. Paul, MN 1
ICC Holds Signal Hearing   507.5 KB
station protection signal 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
T. George Stiles 1
Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
Texas & Pacific 1
Territories Involved in the ICC Signaling Order   388.3 KB
Troy, NY 1
Hoosac Tunnel Interlocking and CTC   1.7 MB
Tyrone, PA 1
CTC Saves Train Time on the Pennsylvania   1.5 MB
Union Pacific 2
ICC Holds Signal Hearing   507.5 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Union Point, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Union Switch & Signal 9
107 Miles of CTC on the N&W   2.3 MB
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
CTC Extension on the Boston & Maine   792.3 KB
CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
CTC Saves Train Time on the Pennsylvania   1.5 MB
Milwaukee Installs Block System on 98 Miles   1.2 MB
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
Southern Pacific Installs CTC   990.2 KB
The New Haven Installs All-Relay Interlocking at Providence, RI   1.9 MB
Vancouver, British Columbia 1
Canadian Pacific Installs Absolute Permissive Block   779.4 KB
Virginian 1
All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
Wabash 1
All-Relay Plant on the C&EI at Danville, Ill   910.2 KB
Wallace, GA 1
Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Waynoka, OK 1
CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
Wells, NE 1
ICC Holds Signal Hearing   507.5 KB
Western Pacific 2
ICC Holds Signal Hearing   507.5 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Wheeling & Lake Erie 2
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   992.5 KB
Territories Involved in the ICC Signaling Order   388.3 KB
Willows, MA 1
CTC Extension on the Boston & Maine   792.3 KB
Winnemucca, NE 1
ICC Holds Signal Hearing   507.5 KB

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