Railway Signaling: 1938

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.

Learn more about this collection.

1938 1

1938	1938 index 4.0 MB

aspects and indications 1

1938	Fundamental Aspects 651.0 KB

Atchison, Topeka & Santa Fe 1

1938	Changing Relays 1.7 MB

Atlantic Coast Line 1

1938	Light Signals as Train Order Signals 731.0 KB

Austin, MN 2

1938	CTC Replaces Staff System on the Milwaukee 2.3 MB
1938	Highway Crossing Protection and Spring Switch on Milwaukee 3.2 MB

automatic block signaling 3

1938	Adapting Signaling to Requirements 1.7 MB
1938	Non-Stop Permissive Automatic Signals 1.4 MB
1938	North Shore Installs Automatics 3.9 MB

automatic interlocking 2

1938	Clearing of Signals at Automatic Interlockings 2.2 MB
1938	Releases for Automatic Interlockings 1.7 MB

automatic train stop 1

1938	Train Control Petition Denied by ICC 905.5 KB

Baltimore & Ohio 2

1938	Electric Switch Heaters at Rock Island Interlocking 1.8 MB
1938	Grade Signal Markers 596.4 KB

Baltimore & Ohio Chicago Terminal 1

1938	B&OCT Installs Route Interlocking 8.9 MB

Baltimore, MD 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Barrington, IL 1

1938	EJ&E Installs APB Signaling 3.1 MB

Branch Jct., IL 1

1938	Train Control Petition Denied by ICC 905.5 KB

Calmar, IA 1

1938	Highway Crossing Protection and Spring Switch on Milwaukee 3.2 MB

Canadian National 1

1938	Changing Relays 1.7 MB

Canadian Pacific 2

1938	Changing Relays 1.7 MB
1938	Light Signals as Train Order Signals 731.0 KB

Carbondale, IL 1

1938	Accident Involving Rule 93 1.5 MB

centralized traffic control 3

1938	CTC Replaces Staff System on the Milwaukee 2.3 MB
1938	Protection at Hand-Operated Switches in CTC Territory 1.6 MB
1938	The Outlook for Signaling 1.3 MB

Champaign, IL 1

1938	Train Control Petition Denied by ICC 905.5 KB

Chesapeake & Ohio 1

1938	Changing Relays 1.7 MB

Chicago & North Western 2

1938	B&OCT Installs Route Interlocking 8.9 MB
1938	Milwaukee Rehabilitates Large Plant 8.0 MB

Chicago Junction 1

1938	B&OCT Installs Route Interlocking 8.9 MB

Chicago North Shore & Milwaukee 1

1938	North Shore Installs Automatics 3.9 MB

Chicago, Burlington & Quincy 1

1938	"Yard Limit" Boards in CTC Territory 1.3 MB

Chicago, IL 5

1938	B&OCT Installs Route Interlocking 8.9 MB
1938	Electric Switch Heaters at Rock Island Interlocking 1.8 MB
1938	Milwaukee Rehabilitates Large Plant 8.0 MB
1938	North Shore Installs Automatics 3.9 MB
1938	Semi-Automatic Gates on the Milwaukee 3.2 MB

Chicago, Milwaukee, St. Paul & Pacific 4

1938	CTC Replaces Staff System on the Milwaukee 2.3 MB
1938	Highway Crossing Protection and Spring Switch on Milwaukee 3.2 MB
1938	Milwaukee Rehabilitates Large Plant 8.0 MB
1938	Semi-Automatic Gates on the Milwaukee 3.2 MB

Chicago, Rock Island & Pacific 4

1938	Adapting Signaling to Requirements 1.7 MB
1938	Changing Relays 1.7 MB
1938	Clearing of Signals at Automatic Interlockings 2.2 MB
1938	Electric Switch Heaters at Rock Island Interlocking 1.8 MB

Columbia, PA 1

1938	Interlocking Changes on the Pennsylvania 4.9 MB

Delaware & Hudson 2

1938	Light Signals as Train Order Signals 731.0 KB
1938	The Outlook for Signaling 1.3 MB

economics 1

1938	The Outlook for Signaling 1.3 MB

Elgin, Joliet & Eastern 1

1938	EJ&E Installs APB Signaling 3.1 MB

Elyria, OH 1

1938	Signaling for Higher Train Speeds 3.9 MB

Enola, PA 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Flinton, IL 1

1938	CTC on the Missouri Pacific 5.3 MB

Great Northern 1

1938	Obligation for Crossing Protection 1.0 MB

Gresham, Chicago, IL 1

1938	Electric Switch Heaters at Rock Island Interlocking 1.8 MB

Harrisburg, PA 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Herington, KS 1

1938	Adapting Signaling to Requirements 1.7 MB

highway crossings 1

1938	Obligation for Crossing Protection 1.0 MB

Howard Avenue, Chicago, IL 1

1938	North Shore Installs Automatics 3.9 MB

Illinois Central 3

1938	Accident Involving Rule 93 1.5 MB
1938	Non-Stop Permissive Automatic Signals 1.4 MB
1938	Train Control Petition Denied by ICC 905.5 KB

index 1

1938	1938 index 4.0 MB

Indianapolis Union 1

1938	Signaling and Interlocking On the Indianapolis Union Railway 4.7 MB

Indianapolis, IN 1

1938	Signaling and Interlocking On the Indianapolis Union Railway 4.7 MB

interlocking 2

1938	Modernization of Terminal Interlocking Plants 1.5 MB
1938	The Outlook for Signaling 1.3 MB

Kalamazoo, MI 1

1938	Remote Control on the Michigan Central 3.9 MB

Leeds, England 1

1938	Relay Interlocking at Leeds 4.3 MB

London & North Eastern 1

1938	Relay Interlocking at Leeds 4.3 MB

Mason City, IA 1

1938	Highway Crossing Protection and Spring Switch on Milwaukee 3.2 MB

McCracken, KS 1

1938	Adapting Signaling to Requirements 1.7 MB

Michigan Central 1

1938	Remote Control on the Michigan Central 3.9 MB

Missouri Pacific 3

1938	Adapting Signaling to Requirements 1.7 MB
1938	Clearing of Signals at Automatic Interlockings 2.2 MB
1938	CTC on the Missouri Pacific 5.3 MB

Morrisville, PA 1

1938	Pennsylvania Electrification Signaling 5.3 MB

New York Central 2

1938	Non-Stop Permissive Automatic Signals 1.4 MB
1938	Signaling for Higher Train Speeds 3.9 MB

New York, NY 1

1938	Pennsylvania Electrification Signaling 5.3 MB

North Chicago, IL 1

1938	North Shore Installs Automatics 3.9 MB

Northern Pacific 1

1938	Adapting Signaling to Requirements 1.7 MB

Paoli, PA 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Parkesburg, PA 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Pavonia, NJ 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Pennsylvania 5

1938	Grade Signal Markers 596.4 KB
1938	Interlocking Changes on the Pennsylvania 4.9 MB
1938	Milwaukee Rehabilitates Large Plant 8.0 MB
1938	Pennsylvania Electrification Signaling 5.3 MB
1938	The Outlook for Signaling 1.3 MB

Pere Marquette 1

1938	Electric Switch Heaters at Rock Island Interlocking 1.8 MB

Perryville, MD 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Philadelphia, PA 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Raddle Jct., IL 1

1938	CTC on the Missouri Pacific 5.3 MB

Ramsey, MN 1

1938	CTC Replaces Staff System on the Milwaukee 2.3 MB

Rondout, IL 1

1938	EJ&E Installs APB Signaling 3.1 MB

Seaboard Air Line 1

1938	Clearing of Signals at Automatic Interlockings 2.2 MB

signaling 1

1938	Signaling at Spring Switches 930.3 KB

South Amboy, NJ 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Spaulding, IL 1

1938	EJ&E Installs APB Signaling 3.1 MB

spring switches 1

1938	Signaling at Spring Switches 930.3 KB

St. Louis-San Francisco 1

1938	Clearing of Signals at Automatic Interlockings 2.2 MB

Sugar City, CO 1

1938	Adapting Signaling to Requirements 1.7 MB

Texas & Pacific 1

1938	Changing Relays 1.7 MB

Thorndale, PA 2

1938	Interlocking Changes on the Pennsylvania 4.9 MB
1938	Pennsylvania Electrification Signaling 5.3 MB

Toledo, OH 1

1938	Signaling for Higher Train Speeds 3.9 MB

Tucumcari, NM 1

1938	Adapting Signaling to Requirements 1.7 MB

Union Route interlocking 1

1938	B&OCT Installs Route Interlocking 8.9 MB

Washington, DC 1

1938	Pennsylvania Electrification Signaling 5.3 MB

Western Avenue (B&OCT), Chicago, IL 1

1938	B&OCT Installs Route Interlocking 8.9 MB

Western Avenue (CMStP&P), Chicago, IL 1

1938	Milwaukee Rehabilitates Large Plant 8.0 MB

Railway Signaling: 1938

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