Railway Signaling: 1934

NOTE:

Although all of these digitized articles are 60 or more years old, and likely have minimal commercial value today, the reader should bear in mind that material dated after 1923 remains under copyright by Simmons-Boardman Publishing.

These articles and the information contained therein may be freely reproduced or used in printed or electronic form for non-commercial or educational purposes, provided the copyright holder and original author (if known) are acknowledged, and provided that such publication also refers readers to the original document on this site.

Simply making interesting material available to those who share my interest in the railway signal systems of the past has been my sole objective in this long project.

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1934 1

1934	1934 index 4.9 MB

8th Avenue subway, New York, NY 1

1934	Signaling of the New York Subways 3.9 MB

Alne, England 1

1934	Re-Signaling the London North Eastern of England 3.0 MB

Alton 3

1934	Centralized Traffic Control Installed on the Alton 1.7 MB
1934	Crossing Gate With Light Signals Installed at Railroad Crossing 1.0 MB
1934	Simplified Interlocking Speeds Train Operation 1.9 MB

Alton & Southern 1

1934	Automatic Plant Replaces Mechanical Interlocking on Alton & Southern 1.2 MB

Atchison, Topeka & Santa Fe 4

1934	Automatic Interlockings on the Santa Fe 2.2 MB
1934	Centralized Traffic Control Installed on the Alton 1.7 MB
1934	Thomas S. Stevens (obituary) 440.9 KB
1934	Use of Dwarf Calling-On Signals 1.0 MB

Atwater, MN 1

1934	Ends of Double Track Equipped With Automatic Interlocking 987.5 KB

automatic block signaling 1

1934	Signaling of the New York Subways 3.9 MB

B&P Jct. 1

1934	Centralized Traffic Control Installed on the Alton 1.1 MB

Baltimore & Ohio 3

1934	CTC Installed on the Baltimore & Ohio 2.1 MB
1934	Electric Interlocking on Staten Island Lines of the Baltimore & Ohio 1.2 MB
1934	Electric Interlocking on the B&O 1.1 MB

Baltimore, MD 1

1934	Centralized Traffic Control Installed on the Alton 1.1 MB

Beloit Jct., IL 1

1934	CTC Replaces Staff on Milwaukee 2.0 MB

Beloit, IL 1

1934	CTC Replaces Staff on Milwaukee 2.0 MB

Burnham, IL 1

1934	South Shore Reconstructs Interlocking 1.2 MB

Canadian National 2

1934	Desk-Lever Interlocking Installed on Canadian National 1.2 MB
1934	Signal Aspects at an Automatic Interlocking Plant 1.2 MB

Canadian Pacific 2

1934	Remote Control Replaces Mechanical Interlocking on Canadian Pacific 1.9 MB
1934	The Highway Crossing Signal Circuit Problem 1.7 MB

Chesapeake & Ohio 1

1934	C&O Combines Two Interlockings in Centralized Control 2.6 MB

Chestnut Hill, PA 1

1934	New Signaling on the Reading 631.4 KB

Chicago & Eastern Illinois 2

1934	Accident at Crossing 491.3 KB
1934	Lamp Ratings for Flashing Lights 695.8 KB

Chicago & North Western 4

1934	Economy in Operation of Track Circuits 554.1 KB
1934	Lamp Ratings for Flashing Lights 695.8 KB
1934	Moving Interlocking Machines 1.1 MB
1934	Use of Dwarf Calling-On Signals 1.0 MB

Chicago South Shore & South Bend 1

1934	South Shore Reconstructs Interlocking 1.2 MB

Chicago, Burlington & Quincy 3

1934	Automatic Interlocking in Train Control Territory 1.5 MB
1934	Emergency CTC Equipment 461.2 KB
1934	Signal Aspects at an Automatic Interlocking Plant 1.2 MB

Chicago, IL 2

1934	Economy in Operation of Track Circuits 554.1 KB
1934	South Shore Reconstructs Interlocking 1.2 MB

Chicago, Milwaukee, St. Paul & Pacific 3

1934	CTC Replaces Staff on Milwaukee 2.0 MB
1934	Milwaukee to Use Cab Signals 699.1 KB
1934	The Safety Feature of Signals 456.5 KB

Chicago, Rock Island & Pacific 3

1934	Automatic Interlocking in Train Control Territory 1.5 MB
1934	Observance of Signal Indications, How Secured 1.0 MB
1934	Use of Dwarf Calling-On Signals 1.0 MB

Cincinnati, OH 1

1934	Electric Interlocking on the B&O 1.1 MB

Clifton Jct., NY 1

1934	Electric Interlocking on Staten Island Lines of the Baltimore & Ohio 1.2 MB

Clinton, IA 1

1934	Economy in Operation of Track Circuits 554.1 KB

Cobourg, ON 1

1934	Remote Control Replaces Mechanical Interlocking on Canadian Pacific 1.9 MB

Coteau, Quebec 1

1934	Desk-Lever Interlocking Installed on Canadian National 1.2 MB

Cumminsville, OH 1

1934	Electric Interlocking on the B&O 1.1 MB

Dayton Ave., Los Angeles, CA 1

1934	An Electric Interlocking on the Southern Pacific 1.8 MB

desk lever interlocking 1

1934	Desk-Lever Interlocking Installed on Canadian National 1.2 MB

distant signals 1

1934	More on Distant Signals 598.6 KB

Divine, IL 1

1934	Spring Derail for Drawbridge Protection 535.0 KB

Dwight, IL 1

1934	Simplified Interlocking Speeds Train Operation 1.9 MB

East Chicago, IN 1

1934	Trainmen Control Highway Crossing Signals on EJ&E 1.4 MB

East Dubuque, IL 1

1934	Automatic Crossing Gates on Illinois Central 2.7 MB

East St. Louis, IL 1

1934	Automatic Plant Replaces Mechanical Interlocking on Alton & Southern 1.2 MB

electric interlocking 1

1934	An Electric Interlocking on the Southern Pacific 1.8 MB

Elgin, Joliet & Eastern 3

1934	Elgin, Joliet & Eastern Installs Electric Interlocking at Drawbridge 2.3 MB
1934	Spring Derail for Drawbridge Protection 535.0 KB
1934	Trainmen Control Highway Crossing Signals on EJ&E 1.4 MB

Erie 1

1934	New Signaling Increases Track Capacity on the Erie 2.0 MB

Fairpoint, OH 1

1934	CTC Installed on the Baltimore & Ohio 2.1 MB

General Railway Signal 2

1934	Application of the Retained-Neutral Relay 842.8 KB
1934	Spring Derail for Drawbridge Protection 535.0 KB

Grand Trunk Western 1

1934	CTC Replaces Staff on GTW 2.6 MB

Great Britain 1

1934	Paddington Power Signaling 1.9 MB

Great Northern 2

1934	Ends of Double Track Equipped With Automatic Interlocking 987.5 KB
1934	Use of Marker Lamps 516.1 KB

Great Western 1

1934	Paddington Power Signaling 1.9 MB

Gulf, Colorado & Santa Fe 1

1934	Moving Interlocking Machines 1.1 MB

Hastings, MN 1

1934	Milwaukee to Use Cab Signals 699.1 KB

Hull, England 1

1934	Highway Crossing Protection in England 1.3 MB

Illinois Central 2

1934	Accident at Crossing 491.3 KB
1934	Automatic Crossing Gates on Illinois Central 2.7 MB

Independent Subway System 1

1934	Signaling of the New York Subways 3.9 MB

index 1

1934	1934 index 4.9 MB

interlocking 3

1934	An Electric Interlocking on the Southern Pacific 1.8 MB
1934	Desk-Lever Interlocking Installed on Canadian National 1.2 MB
1934	Signaling of the New York Subways 3.9 MB

Iola, KS 1

1934	Automatic Interlockings on the Santa Fe 2.2 MB

Joliet, IL 1

1934	Elgin, Joliet & Eastern Installs Electric Interlocking at Drawbridge 2.3 MB

London & North Eastern 1

1934	Highway Crossing Protection in England 1.3 MB

London North Eastern 1

1934	Re-Signaling the London North Eastern of England 3.0 MB

London, England 1

1934	Paddington Power Signaling 1.9 MB

Long Island 1

1934	Electro-Pneumatic Interlocking on the Long Island 3.8 MB

Los Angeles, CA 1

1934	An Electric Interlocking on the Southern Pacific 1.8 MB

Louisville & Nashville 1

1934	Use of Marker Lamps 516.1 KB

Marion, IL 1

1934	Accident at Crossing 491.3 KB

Maynard, OH 1

1934	CTC Installed on the Baltimore & Ohio 2.1 MB

Mazonia, IL 1

1934	Centralized Traffic Control Installed on the Alton 1.7 MB

Minier, IL 1

1934	Crossing Gate With Light Signals Installed at Railroad Crossing 1.0 MB

Missouri Pacific 3

1934	Accident at Crossing 491.3 KB
1934	Automatic Interlockings on the Santa Fe 2.2 MB
1934	Signals at Automatic Interlockers 378.1 KB

Mobile & Ohio 1

1934	Automatic Plant Replaces Mechanical Interlocking on Alton & Southern 1.2 MB

Model 2 electric interlocking 1

1934	An Electric Interlocking on the Southern Pacific 1.8 MB

New York Central 3

1934	Simplified Interlocking Speeds Train Operation 1.9 MB
1934	The Application of Derails 1.3 MB
1934	The Safety Feature of Signals 456.5 KB

New York, New Haven & Hartford 1

1934	Lamp Ratings for Flashing Lights 695.8 KB

New York, NY 1

1934	Signaling of the New York Subways 3.9 MB

Newburgh Jct., NY 1

1934	New Signaling Increases Track Capacity on the Erie 2.0 MB

Omaha, NE 1

1934	An Automatic Wheel Counter on the Union Pacific 1.2 MB

Ottawa, KS 1

1934	Automatic Interlockings on the Santa Fe 2.2 MB

Pennock, MN 1

1934	Ends of Double Track Equipped With Automatic Interlocking 987.5 KB

Pennsylvania 4

1934	Centralized Traffic Control Installed on the Alton 1.1 MB
1934	Crossing Gate With Light Signals Installed at Railroad Crossing 1.0 MB
1934	Use of Dwarf Calling-On Signals 1.0 MB
1934	Use of Marker Lamps 516.1 KB

Pequot, IL 1

1934	Centralized Traffic Control Installed on the Alton 1.7 MB

Pere Marquette 1

1934	Signals at Automatic Interlockers 378.1 KB

Peru, IL 1

1934	Automatic Interlocking in Train Control Territory 1.5 MB

Plaines, IL 1

1934	Centralized Traffic Control Installed on the Alton 1.7 MB

Portage, WI 1

1934	Milwaukee to Use Cab Signals 699.1 KB

power signaling 1

1934	Paddington Power Signaling 1.9 MB

Reading 1

1934	New Signaling on the Reading 631.4 KB

Rockford, IL 1

1934	Automatic Crossing Gates on Illinois Central 2.7 MB

Rockton, IL 1

1934	CTC Replaces Staff on Milwaukee 2.0 MB

Ronceverte, WV 1

1934	C&O Combines Two Interlockings in Centralized Control 2.6 MB

searchlight signals 1

1934	An Electric Interlocking on the Southern Pacific 1.8 MB

Sedley, IN 1

1934	CTC Replaces Staff on GTW 2.6 MB

South Joliet, IL 1

1934	Centralized Traffic Control Installed on the Alton 1.7 MB

Southern Pacific 1

1934	An Electric Interlocking on the Southern Pacific 1.8 MB

St. Louis-San Francisco 2

1934	Lamp Ratings for Flashing Lights 695.8 KB
1934	The Safety Feature of Signals 456.5 KB

Staten Island Rapid Transit 1

1934	Electric Interlocking on Staten Island Lines of the Baltimore & Ohio 1.2 MB

Suffern, NY 1

1934	New Signaling Increases Track Capacity on the Erie 2.0 MB

Thirsk, England 1

1934	Re-Signaling the London North Eastern of England 3.0 MB

Union Jct. 1

1934	Centralized Traffic Control Installed on the Alton 1.1 MB

Union Pacific 1

1934	An Automatic Wheel Counter on the Union Pacific 1.2 MB

Union Switch & Signal 1

1934	Application of the Retained-Neutral Relay 842.8 KB

Valley Stream, NY 1

1934	Electro-Pneumatic Interlocking on the Long Island 3.8 MB

Valparaiso, IN 1

1934	CTC Replaces Staff on GTW 2.6 MB

Wabash 1

1934	Signal Aspects at an Automatic Interlocking Plant 1.2 MB

Wayne Jct., PA 1

1934	New Signaling on the Reading 631.4 KB

Western Pacific 1

1934	Signal Aspects at an Automatic Interlocking Plant 1.2 MB

Railway Signaling: 1934

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