Railway Signaling: 1946

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.

absolute permissive block signaling 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

accident 2

1946	Burlington Tests Show Signals Adequate 1.3 MB
1946	More Difficult to Get a Call-On Signal 488.8 KB

accidents 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

approach lighting 1

1946	The User of Signaling 895.2 KB

Atchison, Topeka & Santa Fe 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

Atlantic Coast Line 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

automatic block signaling 7

1946	Automatic Block With Spring Switches on the Central of Georgia 5.3 MB
1946	Burlington Tests Show Signals Adequate 1.3 MB
1946	CTC Over Automatic Block 443.6 KB
1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	ICC Signaling Investigation 770.4 KB
1946	Reverse Running on the Pennsylvania 2.8 MB
1946	The User of Signaling 895.2 KB

Baltimore & Ohio 1

1946	G. H Dryden retires 455.7 KB

Baltimore, MD 1

1946	Reverse Running on the Pennsylvania 2.8 MB

Belleville, KS 1

1946	Rock Island Uses Carrier Equipment for Automatic OS Reports 3.9 MB

braking distance 1

1946	Burlington Tests Show Signals Adequate 1.3 MB

Buda, IL 1

1946	More Difficult to Get a Call-On Signal 488.8 KB

Bureau, IL 1

1946	Rock Island Uses Carrier Equipment for Automatic OS Reports 3.9 MB

call-on signals 1

1946	More Difficult to Get a Call-On Signal 488.8 KB

Canadian Pacific 1

1946	More Difficult to Get a Call-On Signal 488.8 KB

Central of Georgia 1

1946	Automatic Block With Spring Switches on the Central of Georgia 5.3 MB

centralized traffic control 6

1946	Catch Up With Progress 450.6 KB
1946	CTC on 107 Miles of Single Track on the Louisville & Nashville 5.2 MB
1946	CTC on 128 Miles of Denver & Salt Lake 10.1 MB
1946	CTC Over Automatic Block 443.6 KB
1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	New Signal Control Line Circuits in Centralized Traffic Control Territory on the Burlington 2.8 MB

Chicago, Burlington & Quincy 3

1946	Burlington Tests Show Signals Adequate 1.3 MB
1946	More Difficult to Get a Call-On Signal 488.8 KB
1946	New Signal Control Line Circuits in Centralized Traffic Control Territory on the Burlington 2.8 MB

Chicago, IL 1

1946	ICC Signal Hearing 1.3 MB

Chicago, Milwaukee, St. Paul & Pacific 1

1946	ICC Signaling Investigation 770.4 KB

Chicago, Rock Island & Pacific 3

1946	Polarized Coded Track and Control Circuits On the Rock Island 3.4 MB
1946	Rock Island Develops a Unique System of Single-Track Station-to Station Automatic Block Based on Coded Track Circuits Without Line Wires 8.3 MB
1946	Rock Island Uses Carrier Equipment for Automatic OS Reports 3.9 MB

Clay Center, KS 1

1946	Rock Island Uses Carrier Equipment for Automatic OS Reports 3.9 MB

coded track circuits 1

1946	Catch Up With Progress 450.6 KB

Columbus, GA 1

1946	Automatic Block With Spring Switches on the Central of Georgia 5.3 MB

Cotton Belt 1

1946	CTC on 121 Miles of the Cotton Belt 6.4 MB

Dearborn, MI 1

1946	DT&I Tests Radio 4.3 MB

Delray, MI 2

1946	DT&I Tests Radio 4.3 MB
1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

Denver & Salt Lake 1

1946	CTC on 128 Miles of Denver & Salt Lake 10.1 MB

Denver, CO 1

1946	CTC on 128 Miles of Denver & Salt Lake 10.1 MB

Detroit, MI 1

1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

Dryden, G. H. 1

1946	G. H Dryden retires 455.7 KB

efficiency 1

1946	Improved Signal Performance 446.8 KB

electro-mechanical interlocking 1

1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

Erie 1

1946	Remote Control and Reverse Running on the Erie 3.2 MB

Flat Rock, MI 1

1946	DT&I Tests Radio 4.3 MB

French, NM 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

Harrisburg, PA 1

1946	Carryphone on the Pennsylvania 1.5 MB

Hastings, NE 1

1946	New Signal Control Line Circuits in Centralized Traffic Control Territory on the Burlington 2.8 MB

highway crossings 1

1946	Is 20 Seconds Enough? 382.9 KB

Illinois Central 1

1946	All-Relay Interlocking on IC 3.0 MB

interlocking 6

1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	ICC Signaling Investigation 770.4 KB
1946	More Difficult to Get a Call-On Signal 488.8 KB
1946	Reverse Running on the Pennsylvania 2.8 MB
1946	The User of Signaling 895.2 KB
1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

Interstate Commerce Commission 3

1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	ICC Signal Hearing 1.3 MB
1946	ICC Signaling Investigation 770.4 KB

Kankakee, IL 1

1946	All-Relay Interlocking on IC 3.0 MB

Kouts, IN 1

1946	Remote Control and Reverse Running on the Erie 3.2 MB

KX interlocking, Kankakee, IL 1

1946	All-Relay Interlocking on IC 3.0 MB

Lebanon Jct., KY 1

1946	CTC on 107 Miles of Single Track on the Louisville & Nashville 5.2 MB

Lewisville, AR 1

1946	CTC on 121 Miles of the Cotton Belt 6.4 MB

Limon, CO 2

1946	Polarized Coded Track and Control Circuits On the Rock Island 3.4 MB
1946	Rock Island Develops a Unique System of Single-Track Station-to Station Automatic Block Based on Coded Track Circuits Without Line Wires 8.3 MB

Louisville & Nashville 1

1946	CTC on 107 Miles of Single Track on the Louisville & Nashville 5.2 MB

manual block signaling 1

1946	ICC Signaling Investigation 770.4 KB

McCook, NE 1

1946	New Signal Control Line Circuits in Centralized Traffic Control Territory on the Burlington 2.8 MB

McFarland, KS 1

1946	Rock Island Uses Carrier Equipment for Automatic OS Reports 3.9 MB

Michigan Central 1

1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

Missouri Pacific 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

Moffat Tunnel 1

1946	CTC on 128 Miles of Denver & Salt Lake 10.1 MB

Naperville, IL 1

1946	Burlington Tests Show Signals Adequate 1.3 MB

New York Central 3

1946	Drawbridge Interlocking on the New York Central 3.1 MB
1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

New York, New Haven & Hartford 1

1946	W. M. Post retires 932.3 KB

New York, NY 1

1946	Reverse Running on the Pennsylvania 2.8 MB

Northern Pacific 1

1946	Accident on Siding Results in ICC Recommendation for Locks 871.3 KB

Ohm's law 1

1946	Ohm's Law Chart 410.4 KB

Omaha, NE 2

1946	Polarized Coded Track and Control Circuits On the Rock Island 3.4 MB
1946	Rock Island Develops a Unique System of Single-Track Station-to Station Automatic Block Based on Coded Track Circuits Without Line Wires 8.3 MB

Orestod, CO 1

1946	CTC on 128 Miles of Denver & Salt Lake 10.1 MB

Pennsylvania 4

1946	Carryphone on the Pennsylvania 1.5 MB
1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	Reverse Running on the Pennsylvania 2.8 MB
1946	W. M. Post retires 932.3 KB

Pere Marquette 3

1946	DT&I Tests Radio 4.3 MB
1946	Pere Marquette Installs CTC 3.1 MB
1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

personal 2

1946	G. H Dryden retires 455.7 KB
1946	W. M. Post retires 932.3 KB

phantom indications 1

1946	The User of Signaling 895.2 KB

Philadelphia, PA 1

1946	Reverse Running on the Pennsylvania 2.8 MB

Phillipsburg, NJ 1

1946	Carryphone on the Pennsylvania 1.5 MB

Pine Bluff, AR 1

1946	CTC on 121 Miles of the Cotton Belt 6.4 MB

Pittsburgh, PA 1

1946	Carryphone on the Pennsylvania 1.5 MB

Porter, IN 1

1946	Pere Marquette Installs CTC 3.1 MB

Post, W. M. 1

1946	W. M. Post retires 932.3 KB

Prosser, WA 1

1946	Accident on Siding Results in ICC Recommendation for Locks 871.3 KB

radio 1

1946	Carryphone on the Pennsylvania 1.5 MB

Redlands, CA 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

Sandusky, OH 1

1946	Drawbridge Interlocking on the New York Central 3.1 MB

signal failures 1

1946	Improved Signal Performance 446.8 KB

Sinks, KY 1

1946	CTC on 107 Miles of Single Track on the Louisville & Nashville 5.2 MB

Southern 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

Southern Pacific 2

1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	More Difficult to Get a Call-On Signal 488.8 KB

speed limits 3

1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	ICC Signal Hearing 1.3 MB
1946	ICC Signaling Investigation 770.4 KB

spring switches 1

1946	Automatic Block With Spring Switches on the Central of Georgia 5.3 MB

St. Joseph, MI 1

1946	Pere Marquette Installs CTC 3.1 MB

St. Louis Southwestern 1

1946	CTC on 121 Miles of the Cotton Belt 6.4 MB

Sterrett, AL 1

1946	Automatic Block With Spring Switches on the Central of Georgia 5.3 MB

Tiskilwa, IL 1

1946	Rock Island Uses Carrier Equipment for Automatic OS Reports 3.9 MB

train control 3

1946	ICC 50-MPH Signal Hearing 6.9 MB
1946	ICC Signal Hearing 1.3 MB
1946	ICC Signaling Investigation 770.4 KB

train order signals 1

1946	The User of Signaling 895.2 KB

train orders 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

Trenton, NJ 1

1946	Carryphone on the Pennsylvania 1.5 MB

Union Switch & Signal 3

1946	Carryphone on the Pennsylvania 1.5 MB
1946	CTC on 107 Miles of Single Track on the Louisville & Nashville 5.2 MB
1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

Wabash 3

1946	ICC Signaling Investigation 770.4 KB
1946	Too Many Yellows 1.2 MB
1946	War-Time Replacement of Interlocking on Pere Marquette 3.4 MB

Washington, DC 1

1946	Reverse Running on the Pennsylvania 2.8 MB

Wells, NV 1

1946	ICC 50-MPH Signal Hearing 6.9 MB

West Jersey & Seashore 1

1946	W. M. Post retires 932.3 KB

Wilders, IN 1

1946	Remote Control and Reverse Running on the Erie 3.2 MB

Zane, W. F. 1

1946	New Signal Control Line Circuits in Centralized Traffic Control Territory on the Burlington 2.8 MB

Railway Signaling: 1946

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