Railway Signaling: 1957

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"ID" Tower, St. Louis, MO 1
1957 Consolidation cuts costs   1.1 MB
"MS" Tower, St. Louis, MO 1
1957 Consolidation cuts costs   1.1 MB
1957 1
1957 1957 index   2.9 MB
absolute permissive block signaling 2
1957 New control system for automatic block uses track circuits only   1.8 MB
1957 Signal controls by track circuit only   575.8 KB
accident 1
1957 ICC Reports on NYC wreck   205.5 KB
Albion, PA 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
all-relay interlocking 4
1957 Consolidation cuts costs   1.1 MB
1957 Lehigh Valley combines interlockings   404.0 KB
1957 More automation for signaling in 1957   1.2 MB
1957 Two interlockings save time and money   547.8 KB
alternating current track circuits 1
1957 Track circuit developments in Europe   234.8 KB
Ashland, KY 1
1957 One Machine Controls Two Plants   2.2 MB
Ashtabula, OH 1
1957 Where Two Tracks Do the Work of Four   3.2 MB
aspects and indications 5
1957 How long sidings save train time   465.2 KB
1957 How to make non-stop meet with CTC   576.9 KB
1957 Two interlockings save time and money   547.8 KB
1957 What's the Answer: Spring switches?   200.0 KB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Association of American Railroads 1
1957 Track circuit developments in Europe   234.8 KB
Atchison, Topeka & Santa Fe 3
1957 How to make non-stop meet with CTC   576.9 KB
1957 More automation for signaling in 1957   1.2 MB
1957 What's the answer: Slotting relay?   361.2 KB
Atlanta, GA 1
1957 More automation for signaling in 1957   1.2 MB
Atwater, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
audio frequency overlay track circuits 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
Aurora, IL 1
1957 More automation for signaling in 1957   1.2 MB
automatic block signaling 4
1957 How to make non-stop meet with CTC   576.9 KB
1957 Seaway diverts CN mainline   532.3 KB
1957 Signal controls by track circuit only   575.8 KB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
automatic interlocking 1
1957 Seaway diverts CN mainline   532.3 KB
automatic retarder yard 1
1957 Automation yard control on the Pennsylvania   882.0 KB
automatic switching 1
1957 Automation yard control on the Pennsylvania   882.0 KB
automatic train identification 1
1957 More automation for signaling in 1957   1.2 MB
automatic train stop 3
1957 How to make non-stop meet with CTC   576.9 KB
1957 ICC Reports on NYC wreck   205.5 KB
1957 Lehigh Valley has check-in, check-out   755.3 KB
automation 1
1957 More automation for signaling in 1957   1.2 MB
axle counters 1
1957 Track circuit developments in Europe   234.8 KB
Baltimore & Ohio 1
1957 Traffic signals and crossing gates coordinated in Cumberland, MD   730.3 KB
Bangor & Aroostook 1
1957 BAR takes up second track and installs CTC   706.6 KB
Bay View, NY 1
1957 Where Two Tracks Do the Work of Four   3.2 MB
Beaumont, CA 1
1957 How long sidings save train time   465.2 KB
Belgium 1
1957 Track circuit developments in Europe   234.8 KB
Belt Railway of Chicago 1
1957 Relay Interlocking Saves Time at Yard Entrances   2.5 MB
Bessemer & Lake Erie 2
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
1957 More automation for signaling in 1957   1.2 MB
Big Four 1
1957 More automation for signaling in 1957   1.2 MB
Big Sandy Jct., KY 1
1957 One Machine Controls Two Plants   2.2 MB
Boston & Albany 1
1957 More automation for signaling in 1957   1.2 MB
Boston & Maine 2
1957 Elevation causes signal changes   893.2 KB
1957 More automation for signaling in 1957   1.2 MB
Breckenridge, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
Brinkley, AR 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Buffalo, NY 1
1957 More automation for signaling in 1957   1.2 MB
call-on signals 1
1957 How long sidings save train time   465.2 KB
Canadian National 3
1957 More automation for signaling in 1957   1.2 MB
1957 Seaway diverts CN mainline   532.3 KB
1957 Why not more Centralized Traffic Control?   344.2 KB
Canadian Pacific 2
1957 Seaway diverts CN mainline   532.3 KB
1957 Survey shows progress in signal education   330.6 KB
Cannneaut, OH 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
Central Vermont 1
1957 Two interlockings save time and money   547.8 KB
centralized traffic control 13
1957 BAR takes up second track and installs CTC   706.6 KB
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
1957 CTC on the SP has special devices   518.8 KB
1957 Elevation causes signal changes   893.2 KB
1957 GN CTC's 175 miles of mainline   635.9 KB
1957 How long sidings save train time   465.2 KB
1957 How to make non-stop meet with CTC   576.9 KB
1957 More automation for signaling in 1957   1.2 MB
1957 Pushbutton CTC Machine on NYC Is First of Its Kind   3.3 MB
1957 Signal controls by track circuit only   575.8 KB
1957 Where Two Tracks Do the Work of Four   3.2 MB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
1957 Why not more Centralized Traffic Control?   344.2 KB
Chesapeake & Ohio 2
1957 More automation for signaling in 1957   1.2 MB
1957 One Machine Controls Two Plants   2.2 MB
Chicago Transit Authority 1
1957 More automation for signaling in 1957   1.2 MB
Chicago, Burlington & Quincy 1
1957 More automation for signaling in 1957   1.2 MB
Chicago, IL 2
1957 More automation for signaling in 1957   1.2 MB
1957 Relay Interlocking Saves Time at Yard Entrances   2.5 MB
Chicago, Milwaukee, St. Paul & Pacific 1
1957 Survey shows progress in signal education   330.6 KB
Clearing, Chicago, IL 1
1957 Relay Interlocking Saves Time at Yard Entrances   2.5 MB
Cleveland, Cincinnati, Chicago & St. Louis 1
1957 More automation for signaling in 1957   1.2 MB
Cleveland, OH 1
1957 More automation for signaling in 1957   1.2 MB
Clyffeside, KY 1
1957 One Machine Controls Two Plants   2.2 MB
code line 1
1957 CTC on the SP has special devices   518.8 KB
coded track circuits 3
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
1957 New control system for automatic block uses track circuits only   1.8 MB
1957 Signal controls by track circuit only   575.8 KB
color light signals 1
1957 Lehigh Valley combines interlockings   404.0 KB
Colton, CA 1
1957 How long sidings save train time   465.2 KB
consolidation of interlocking towers 1
1957 More automation for signaling in 1957   1.2 MB
Conway, PA 1
1957 Automation yard control on the Pennsylvania   882.0 KB
Cornwall, Ontario 1
1957 Seaway diverts CN mainline   532.3 KB
Corsicana, TX 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Cotton Belt 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Coxton, PA 1
1957 Lehigh Valley combines interlockings   404.0 KB
Cumberland, MD 1
1957 Traffic signals and crossing gates coordinated in Cumberland, MD   730.3 KB
Delano, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
Delaware, Lackawanna & Western 1
1957 Lehigh Valley combines interlockings   404.0 KB
Dexter Jct., MO 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
distant signals 1
1957 How long sidings save train time   465.2 KB
Dock Jct., PA 1
1957 Where Two Tracks Do the Work of Four   3.2 MB
Doran, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
dragging equipment detectors 1
1957 CTC on the SP has special devices   518.8 KB
drill signals 1
1957 Consolidation cuts costs   1.1 MB
Eads Bridge, St. Louis, MO 1
1957 Consolidation cuts costs   1.1 MB
earthquake detectors 1
1957 CTC on the SP has special devices   518.8 KB
East St. Louis, IL 2
1957 Consolidation cuts costs   1.1 MB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
electric lock switches 1
1957 GN CTC's 175 miles of mainline   635.9 KB
electric slot 1
1957 What's the answer: Slotting relay?   361.2 KB
electro-pneumatic interlocking 1
1957 One Machine Controls Two Plants   2.2 MB
electro-pneumatic switches 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
electronic track circuits 1
1957 Track circuit developments in Europe   234.8 KB
Elkhart, IN 1
1957 Pushbutton CTC Machine on NYC Is First of Its Kind   3.3 MB
Erie, PA 2
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
1957 Where Two Tracks Do the Work of Four   3.2 MB
facing point locks 1
1957 What's the Answer: Spring switches?   200.0 KB
false proceed failures 1
1957 Increase in signal failures reported by ICC Bureau of Safety   652.1 KB
false restrictive failures 1
1957 Increase in signal failures reported by ICC Bureau of Safety   652.1 KB
Filer, PA 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
Fresno, CA 1
1957 How to make non-stop meet with CTC   576.9 KB
General Railway Signal 12
1957 BAR takes up second track and installs CTC   706.6 KB
1957 Elevation causes signal changes   893.2 KB
1957 GN CTC's 175 miles of mainline   635.9 KB
1957 Lehigh Valley combines interlockings   404.0 KB
1957 Lehigh Valley has check-in, check-out   755.3 KB
1957 New control system for automatic block uses track circuits only   1.8 MB
1957 Pushbutton CTC Machine on NYC Is First of Its Kind   3.3 MB
1957 Seaway diverts CN mainline   532.3 KB
1957 Signal controls by track circuit only   575.8 KB
1957 Traffic signals and crossing gates coordinated in Cumberland, MD   730.3 KB
1957 Two interlockings save time and money   547.8 KB
1957 Where Two Tracks Do the Work of Four   3.2 MB
Germany 1
1957 Track circuit developments in Europe   234.8 KB
Girard Jct., PA 1
1957 Where Two Tracks Do the Work of Four   3.2 MB
grade separation 1
1957 Elevation causes signal changes   893.2 KB
Grand Trunk Western 1
1957 More automation for signaling in 1957   1.2 MB
Great Britain 1
1957 Track circuit developments in Europe   234.8 KB
Great Northern 2
1957 GN CTC's 175 miles of mainline   635.9 KB
1957 More automation for signaling in 1957   1.2 MB
Griswold Signal 1
1957 CTC on the SP has special devices   518.8 KB
Hancock, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
Harbor Creek, PA 1
1957 Where Two Tracks Do the Work of Four   3.2 MB
Hazelton, PA 1
1957 Lehigh Valley has check-in, check-out   755.3 KB
Helena, MT 1
1957 More automation for signaling in 1957   1.2 MB
high-speed turnouts 1
1957 How to make non-stop meet with CTC   576.9 KB
highway crossing 1
1957 Lehigh Valley combines interlockings   404.0 KB
highway crossings 6
1957 CTC on the SP has special devices   518.8 KB
1957 Elevation causes signal changes   893.2 KB
1957 How to make non-stop meet with CTC   576.9 KB
1957 More automation for signaling in 1957   1.2 MB
1957 Track circuit developments in Europe   234.8 KB
1957 Traffic signals and crossing gates coordinated in Cumberland, MD   730.3 KB
Illinois Central 1
1957 Survey shows progress in signal education   330.6 KB
Illmo, MO 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
index 1
1957 1957 index   2.9 MB
Indio, CA 1
1957 How long sidings save train time   465.2 KB
inductive check-in, check-out system 1
1957 Lehigh Valley has check-in, check-out   755.3 KB
interlocking 8
1957 Consolidation cuts costs   1.1 MB
1957 Elevation causes signal changes   893.2 KB
1957 Lehigh Valley combines interlockings   404.0 KB
1957 More automation for signaling in 1957   1.2 MB
1957 One Machine Controls Two Plants   2.2 MB
1957 Relay Interlocking Saves Time at Yard Entrances   2.5 MB
1957 Seaway diverts CN mainline   532.3 KB
1957 Two interlockings save time and money   547.8 KB
intermittent inductive automatic train stop 1
1957 Lehigh Valley has check-in, check-out   755.3 KB
Interstate Commerce Commission 2
1957 ICC Reports on NYC wreck   205.5 KB
1957 Increase in signal failures reported by ICC Bureau of Safety   652.1 KB
Jonesboro, AR 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Lehigh Valley 1
1957 Lehigh Valley has check-in, check-out   755.3 KB
Lehighton, PA 1
1957 Lehigh Valley has check-in, check-out   755.3 KB
Lehing Valley 1
1957 Lehigh Valley combines interlockings   404.0 KB
letter to the editor 1
1957 Letter to the editor: signal checking circuit used in the Netherlands   225.9 KB
Livingston, MT 1
1957 More automation for signaling in 1957   1.2 MB
long sidings 2
1957 How long sidings save train time   465.2 KB
1957 How to make non-stop meet with CTC   576.9 KB
Louisville & Nashville 2
1957 Kinks. Testing "KP" relays   191.2 KB
1957 More automation for signaling in 1957   1.2 MB
Lucas, LA 1
1957 Signal controls by track circuit only   575.8 KB
lunar white 1
1957 How long sidings save train time   465.2 KB
manual block 2
1957 Lehigh Valley has check-in, check-out   755.3 KB
1957 Letter to the editor: signal checking circuit used in the Netherlands   225.9 KB
manual block remote control 1
1957 More automation for signaling in 1957   1.2 MB
manual block signaling 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
Meadville Jct., PA 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
mechanical interlocking 1
1957 Lehigh Valley combines interlockings   404.0 KB
mechanical semaphores 1
1957 What's the answer: Slotting relay?   361.2 KB
Michigan Central 1
1957 More automation for signaling in 1957   1.2 MB
Missouri Pacific 3
1957 More automation for signaling in 1957   1.2 MB
1957 Survey shows progress in signal education   330.6 KB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Morris, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
Morrisburg, Ontario 1
1957 Seaway diverts CN mainline   532.3 KB
motor car indicators 1
1957 How to make non-stop meet with CTC   576.9 KB
Mt. Pleasant, TX 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Nashville, Chattanooga & St. Louis 1
1957 More automation for signaling in 1957   1.2 MB
Netherlands 2
1957 Letter to the editor: signal checking circuit used in the Netherlands   225.9 KB
1957 Track circuit developments in Europe   234.8 KB
Netherlands Railways 1
1957 Letter to the editor: signal checking circuit used in the Netherlands   225.9 KB
New York Central 4
1957 ICC Reports on NYC wreck   205.5 KB
1957 More automation for signaling in 1957   1.2 MB
1957 Pushbutton CTC Machine on NYC Is First of Its Kind   3.3 MB
1957 Where Two Tracks Do the Work of Four   3.2 MB
New York City Transit 2
1957 More automation for signaling in 1957   1.2 MB
1957 What's the answer: Slotting relay?   361.2 KB
New York, NY 1
1957 More automation for signaling in 1957   1.2 MB
Niland, CA 1
1957 How long sidings save train time   465.2 KB
Norfolk & Western 1
1957 Survey shows progress in signal education   330.6 KB
North Bessemer, PA 1
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
North Junction IL 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
North Platte, NE 1
1957 More automation for signaling in 1957   1.2 MB
Northern Maine Jct., ME 1
1957 BAR takes up second track and installs CTC   706.6 KB
Northern Pacific 1
1957 More automation for signaling in 1957   1.2 MB
Nottingham, OH 1
1957 Where Two Tracks Do the Work of Four   3.2 MB
Ontario Northland 1
1957 Survey shows progress in signal education   330.6 KB
Palm Springs, CA 1
1957 How long sidings save train time   465.2 KB
Paragould, AR 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Pennock, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
Pennsylvania 3
1957 Automation yard control on the Pennsylvania   882.0 KB
1957 More automation for signaling in 1957   1.2 MB
1957 Survey shows progress in signal education   330.6 KB
Pine Bluff, AR 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Pittsburgh & Lake Erie 1
1957 More automation for signaling in 1957   1.2 MB
Pittsburgh, PA 1
1957 More automation for signaling in 1957   1.2 MB
Pittston Jct., PA 1
1957 Lehigh Valley combines interlockings   404.0 KB
Poplar St., St. Louis, MO 1
1957 Consolidation cuts costs   1.1 MB
power switches 2
1957 Two interlockings save time and money   547.8 KB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Reading 1
1957 Survey shows progress in signal education   330.6 KB
relay interlocking 1
1957 Relay Interlocking Saves Time at Yard Entrances   2.5 MB
remote-control interlocking 1
1957 Two interlockings save time and money   547.8 KB
Richmond, Fredericksburg & Potomac 1
1957 Survey shows progress in signal education   330.6 KB
Ripley, NY 1
1957 ICC Reports on NYC wreck   205.5 KB
route interlocking 2
1957 Consolidation cuts costs   1.1 MB
1957 More automation for signaling in 1957   1.2 MB
Russell, KY 1
1957 More automation for signaling in 1957   1.2 MB
Seaboard Air Line 1
1957 More automation for signaling in 1957   1.2 MB
searchlight signals 3
1957 GN CTC's 175 miles of mainline   635.9 KB
1957 How to make non-stop meet with CTC   576.9 KB
1957 Seaway diverts CN mainline   532.3 KB
self-propelled cars 1
1957 Lehigh Valley has check-in, check-out   755.3 KB
semi-automatic signaling 1
1957 What's the answer: Slotting relay?   361.2 KB
Shreveport, LA 1
1957 Signal controls by track circuit only   575.8 KB
shunting sensitivity 2
1957 Lehigh Valley has check-in, check-out   755.3 KB
1957 Track circuit developments in Europe   234.8 KB
Siemens manual block 1
1957 Letter to the editor: signal checking circuit used in the Netherlands   225.9 KB
signal education 1
1957 Survey shows progress in signal education   330.6 KB
signal slot 1
1957 What's the answer: Slotting relay?   361.2 KB
snow melters 3
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
1957 GN CTC's 175 miles of mainline   635.9 KB
1957 More automation for signaling in 1957   1.2 MB
South La Grange, ME 1
1957 BAR takes up second track and installs CTC   706.6 KB
Southern 1
1957 More automation for signaling in 1957   1.2 MB
Southern Pacific 5
1957 CTC on the SP has special devices   518.8 KB
1957 How long sidings save train time   465.2 KB
1957 More automation for signaling in 1957   1.2 MB
1957 Survey shows progress in signal education   330.6 KB
1957 What's the answer: Slotting relay?   361.2 KB
spring switches 2
1957 More automation for signaling in 1957   1.2 MB
1957 What's the Answer: Spring switches?   200.0 KB
St. Albans, VT 1
1957 Two interlockings save time and money   547.8 KB
St. Lawrence Seaway 1
1957 Seaway diverts CN mainline   532.3 KB
St. Louis Southwestern 2
1957 Survey shows progress in signal education   330.6 KB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
St. Louis, MO 1
1957 Consolidation cuts costs   1.1 MB
St. Louis-San Francisco 2
1957 More automation for signaling in 1957   1.2 MB
1957 Survey shows progress in signal education   330.6 KB
Stockton, CA 1
1957 How to make non-stop meet with CTC   576.9 KB
Style "KP" relays 1
1957 Kinks. Testing "KP" relays   191.2 KB
switchtenders 1
1957 Two interlockings save time and money   547.8 KB
Switzerland 1
1957 Track circuit developments in Europe   234.8 KB
Terminal Association of St. Louis 2
1957 Consolidation cuts costs   1.1 MB
1957 Survey shows progress in signal education   330.6 KB
Texarkana, AR 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Texas & Pacific 2
1957 New control system for automatic block uses track circuits only   1.8 MB
1957 Signal controls by track circuit only   575.8 KB
Texmo Jct., LA 1
1957 Signal controls by track circuit only   575.8 KB
Thebes, IL 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Toledo, OH 1
1957 Pushbutton CTC Machine on NYC Is First of Its Kind   3.3 MB
track circuits 1
1957 Track circuit developments in Europe   234.8 KB
track instruments 1
1957 Track circuit developments in Europe   234.8 KB
traffic signals 1
1957 Traffic signals and crossing gates coordinated in Cumberland, MD   730.3 KB
train interference 1
1957 Why not more Centralized Traffic Control?   344.2 KB
Trakode 2
1957 New control system for automatic block uses track circuits only   1.8 MB
1957 Signal controls by track circuit only   575.8 KB
Transport Products 1
1957 Traffic signals and crossing gates coordinated in Cumberland, MD   730.3 KB
Tyler, TX 1
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
Union Pacific 2
1957 More automation for signaling in 1957   1.2 MB
1957 Survey shows progress in signal education   330.6 KB
Union Route interlocking 1
1957 Consolidation cuts costs   1.1 MB
Union Switch & Signal 9
1957 Automation yard control on the Pennsylvania   882.0 KB
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
1957 Consolidation cuts costs   1.1 MB
1957 CTC on the SP has special devices   518.8 KB
1957 How to make non-stop meet with CTC   576.9 KB
1957 Kinks. Testing "KP" relays   191.2 KB
1957 One Machine Controls Two Plants   2.2 MB
1957 Relay Interlocking Saves Time at Yard Entrances   2.5 MB
1957 Why Cotton Belt installed CTC on entire main line   914.0 KB
vane relays 1
1957 Track circuit developments in Europe   234.8 KB
Wabash 2
1957 More automation for signaling in 1957   1.2 MB
1957 Survey shows progress in signal education   330.6 KB
Western Railroad Supply 1
1957 CTC on the SP has special devices   518.8 KB
Willmar, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
Winchester, MA 1
1957 Elevation causes signal changes   893.2 KB
yard track indicators 1
1957 How to make non-stop meet with CTC   576.9 KB
Youngstown, OH 1
1957 More automation for signaling in 1957   1.2 MB
Yuma, AZ 1
1957 How long sidings save train time   465.2 KB

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