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.
1955 1
1955 index
2.6 MB
|
"SH" interlocking, Madison, IL 1
absolute permissive block signaling 1
|
News briefs. 1955-08
830.4 KB
|
all-relay interlocking 5
Angola, NY 1
|
News briefs. 1955-08
830.4 KB
|
Arkansas City, KS 1
Ashland, NE 1
|
CTC on single and double track
406.8 KB
|
Ashtabula, OH 2
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
aspects and indications 6
|
CTC and cab signaling on Union Pacific
789.5 KB
|
|
CTC enables P&LE to remove fourth main track
515.3 KB
|
|
How to run reverse temporarily
197.6 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
|
New Cleveland Transit System
917.8 KB
|
|
Santa Fe installs CTC on single track
610.2 KB
|
Atchison, Topeka & Santa Fe 3
|
News briefs. 1955-08
830.4 KB
|
|
Santa Fe installs CTC on single track
610.2 KB
|
|
What's the Answer? CTC Into Service
409.5 KB
|
Atikokan, Ontario 1
|
How CN increased track capacity
516.4 KB
|
Atlanta, GA 1
|
What CTC did for the Dixie Line
889.8 KB
|
Atlantic Coast Line 1
|
News briefs. 1955-08
830.4 KB
|
automatic block signaling 6
|
CTC on single and double track
406.8 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
|
New Cleveland Transit System
917.8 KB
|
|
News briefs. 1955-08
830.4 KB
|
|
Pennsylvania installs wayside equipment for cab signaling
745.7 KB
|
|
What's the Answer? CTC Into Service
409.5 KB
|
automatic control of junction switches 1
|
New Cleveland Transit System
917.8 KB
|
automatic interlocking 3
automatic train control 1
automatic train stop 4
|
Much is new in signaling for 1955
826.7 KB
|
|
New Cleveland Transit System
917.8 KB
|
|
News briefs. 1955-08
830.4 KB
|
|
Santa Fe installs CTC on single track
610.2 KB
|
Back Swamp, GA 1
|
News briefs. 1955-08
830.4 KB
|
ball signals 1
Baltimore & Ohio 3
Baltimore, MD 1
|
News briefs. 1955-08
830.4 KB
|
Bay View, Baltimore, MD 1
|
News briefs. 1955-08
830.4 KB
|
Bay View, NY 2
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
Belt Line Jct., Reading, PA 1
Blandon, Reading, PA 1
Blue River, British Columbia 1
|
News briefs. 1955-08
830.4 KB
|
Borie, WY 1
Boston & Maine 3
|
At Portland Terminal, combined interlocking
810.6 KB
|
|
CTC reduces operating expenses
431.8 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
Brookville, OH 1
Bruceton, TN 1
|
What CTC did for the Dixie Line
889.8 KB
|
Buford, WY 1
Burnt Hills, NY 1
|
CTC reduces operating expenses
431.8 KB
|
Burroughs, GA 1
|
News briefs. 1955-08
830.4 KB
|
cab signals 2
call-on signals 1
Canadian National 2
|
How CN increased track capacity
516.4 KB
|
|
News briefs. 1955-08
830.4 KB
|
Canadian Pacific 1
|
Much is new in signaling for 1955
826.7 KB
|
car retarders 1
|
Much is new in signaling for 1955
826.7 KB
|
carrier control 2
|
Santa Fe installs CTC on single track
610.2 KB
|
|
What CTC did for the Dixie Line
889.8 KB
|
centralized traffic control 16
Centre, Reading, PA 1
Chattanooga, TN 2
|
Much is new in signaling for 1955
826.7 KB
|
|
What CTC did for the Dixie Line
889.8 KB
|
Cherry Hill, VA 1
|
How to run reverse temporarily
197.6 KB
|
Chesapeake & Ohio 7
Cheyenne, WY 1
Chicago & North Western 3
|
CTC on single and double track
406.8 KB
|
|
Improved protection at seven crossings
309.9 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
Chicago Transit Authority 1
|
Much is new in signaling for 1955
826.7 KB
|
Chicago, Burlington & Quincy 3
|
CTC on single and double track
406.8 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
Chicago, IL 2
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
Chicago, Milwaukee, St. Paul & Pacific 1
|
Much is new in signaling for 1955
826.7 KB
|
Chicago, Rock Island & Pacific 3
|
CTC on single and double track
406.8 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
|
What's the Answer? CTC Into Service
409.5 KB
|
Cincinnati, OH 1
|
Much is new in signaling for 1955
826.7 KB
|
Clare, OH 1
|
News briefs. 1955-08
830.4 KB
|
Cleveland Transit System 1
|
New Cleveland Transit System
917.8 KB
|
Cleveland Union Terminal, Cleveland, OH 1
|
New Cleveland Transit System
917.8 KB
|
Cleveland, OH 1
|
New Cleveland Transit System
917.8 KB
|
Clifton Park, MD 1
|
News briefs. 1955-08
830.4 KB
|
coded track circuits 4
|
CTC and cab signaling on Union Pacific
789.5 KB
|
|
CTC moves trains on grades
762.8 KB
|
|
News briefs. 1955-08
830.4 KB
|
|
Santa Fe installs CTC on single track
610.2 KB
|
Colchester, VA 1
|
How to run reverse temporarily
197.6 KB
|
color light signals 1
Colores, WY 1
Columbus, OH 1
Conmee, Ontario 1
|
How CN increased track capacity
516.4 KB
|
Connellsville, PA 1
Coraopolis, PA 1
Corlette, WY 1
Cottonwood, UT 1
|
One CTC Machine Replaces Three
451.9 KB
|
Crescent, NY 1
|
CTC reduces operating expenses
431.8 KB
|
crossing indicators 1
crossing watchmen 2
|
Crossing protection for 16 streets
371.1 KB
|
|
Unusual control for crossing protection
722.1 KB
|
Dale, WY 1
Dallas, TX 1
Dalton, GA 1
|
What CTC did for the Dixie Line
889.8 KB
|
Dayton, OH 1
De Beque, CO 1
|
One CTC Machine Replaces Three
451.9 KB
|
De Queen, AR 1
|
CTC moves trains on grades
762.8 KB
|
Delaware & Hudson 2
|
CTC reduces operating expenses
431.8 KB
|
|
News briefs. 1955-08
830.4 KB
|
Delaware, Lackawanna & Western 1
|
Much is new in signaling for 1955
826.7 KB
|
Delray, Detroit, MI 1
|
Crossing protection for 16 streets
371.1 KB
|
Denver & Rio Grande Western 1
|
One CTC Machine Replaces Three
451.9 KB
|
Detroit Union Belt 2
Detroit, MI 2
DK Cabin, WV 1
Dock Jct., PA 2
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
Doctortown, GA 1
|
News briefs. 1955-08
830.4 KB
|
Dotsero, CO 1
|
One CTC Machine Replaces Three
451.9 KB
|
Dunkirk, NY 1
|
News briefs. 1955-08
830.4 KB
|
Dupo, IL 1
East Manchester, OH 1
East St. Louis, IL 1
electric interlocking 3
electric lock switches 2
|
CTC on single and double track
406.8 KB
|
|
CTC reduces operating expenses
431.8 KB
|
electric retarders 1
electro-mechanical interlocking 1
|
News briefs. 1955-08
830.4 KB
|
electro-pneumatic interlocking 2
|
C&O Consolidates Interlockings
3.2 MB
|
|
News briefs. 1955-08
830.4 KB
|
electronic train identification 1
|
Much is new in signaling for 1955
826.7 KB
|
Elgin, Joliet & Eastern 1
|
Much is new in signaling for 1955
826.7 KB
|
Emkay, WY 1
Erie 2
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
Erie, PA 2
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
false proceed failures 1
|
Fewer signal failures
654.7 KB
|
false restrictive failures 1
|
Fewer signal failures
654.7 KB
|
Featherstone, VA 1
|
How to run reverse temporarily
197.6 KB
|
Flat Rock, KY 1
|
Much is new in signaling for 1955
826.7 KB
|
Forelle, WY 1
Fort Street Union Depot, Detroit, MI 2
Fresno, CA 1
|
News briefs. 1955-08
830.4 KB
|
Ft. Edward, NY 1
|
News briefs. 1955-08
830.4 KB
|
Ft. Francis, Ontario 1
|
How CN increased track capacity
516.4 KB
|
Ft. Scott, KS 1
|
CTC moves trains on grades
762.8 KB
|
Ft. William, Ontario 1
|
How CN increased track capacity
516.4 KB
|
Ft. Worth, TX 1
Funston, CO 1
|
One CTC Machine Replaces Three
451.9 KB
|
Gary, IN 1
|
Much is new in signaling for 1955
826.7 KB
|
General Railway Signal 14
Girard Jct., PA 2
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
Glenwood, MN 1
Grand Junction, CO 1
|
One CTC Machine Replaces Three
451.9 KB
|
Granger, WY 1
|
News briefs. 1955-08
830.4 KB
|
Granite, WY 1
Great Northern 2
Green River, UT 1
|
One CTC Machine Replaces Three
451.9 KB
|
Greene Jct., PA 1
Greenwood, NE 1
|
CTC on single and double track
406.8 KB
|
Griswold Signal 2
Gulf, Mobile & Ohio 2
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
Guyandot, WV 1
Hamlet, NC 1
|
Much is new in signaling for 1955
826.7 KB
|
Harbor Creek, PA 2
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
Harriman, WY 1
Havelock, NE 1
|
CTC on single and double track
406.8 KB
|
Heard, WY 1
Heavener, OK 1
|
CTC moves trains on grades
762.8 KB
|
Helper, UT 1
|
One CTC Machine Replaces Three
451.9 KB
|
Hermosa, WY 1
high water detectors 1
|
CTC moves trains on grades
762.8 KB
|
high-speed turnouts 2
|
Both ways on both tracks with CTC
765.0 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
highway crossings 8
Hill, Reading, PA 1
Houston, TX 1
|
Much is new in signaling for 1955
826.7 KB
|
Huntingdon Ave., Baltimore, MD 1
|
News briefs. 1955-08
830.4 KB
|
Huntington, WV 2
|
C&O Consolidates Interlockings
3.2 MB
|
|
Yard radio pays its way on the C&O
799.6 KB
|
Illinois Central 2
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
index 1
|
1955 index
2.6 MB
|
industrial switching 1
|
Yard radio pays its way on the C&O
799.6 KB
|
interlocking 13
Interstate Commerce Commission 3
|
Fewer signal failures
654.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
|
Pennsylvania installs wayside equipment for cab signaling
745.7 KB
|
Iona, TX 1
|
News briefs. 1955-08
830.4 KB
|
Jackson, TN 1
|
What CTC did for the Dixie Line
889.8 KB
|
Jersey City, NJ 1
|
News briefs. 1955-08
830.4 KB
|
Jesup, GA 1
|
News briefs. 1955-08
830.4 KB
|
Junta, GA 1
|
What CTC did for the Dixie Line
889.8 KB
|
Kamloops Jct., British Columbia 1
|
News briefs. 1955-08
830.4 KB
|
Kansas City Southern 1
|
CTC moves trains on grades
762.8 KB
|
Kansas City Terminal 1
|
News briefs. 1955-08
830.4 KB
|
Kansas City, MO 3
|
Both ways on both tracks with CTC
765.0 KB
|
|
News briefs. 1955-08
830.4 KB
|
|
Santa Fe installs CTC on single track
610.2 KB
|
Kerkhoven, MN 1
Laramie, WY 1
Laurel, Reading, PA 1
Lincoln, NE 1
|
CTC on single and double track
406.8 KB
|
locomotive radio 2
Long Lake, MN 1
Louisille, NE 1
|
CTC on single and double track
406.8 KB
|
Loveland, OH 1
|
News briefs. 1955-08
830.4 KB
|
Ludington, MI 1
lunar white 1
Lynch, WY 1
Madison, OH 1
|
News briefs. 1955-08
830.4 KB
|
Maine Central 1
Mc Kees Rocks, PA 1
McCammon, ID 1
|
News briefs. 1955-08
830.4 KB
|
mechanical interlocking 5
Mechanicville, NY 1
|
CTC reduces operating expenses
431.8 KB
|
Melia, NE 1
|
CTC on single and double track
406.8 KB
|
Memphis, TN 1
|
What CTC did for the Dixie Line
889.8 KB
|
Mena, AR 1
|
CTC moves trains on grades
762.8 KB
|
Minneapolis, MN 1
Minneapolis, St. Paul & Sault Ste. Marie 1
Missouri Pacific 3
|
CTC on single and double track
406.8 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
Mormon, CA 1
|
News briefs. 1955-08
830.4 KB
|
motor car indicators 3
|
Both ways on both tracks with CTC
765.0 KB
|
|
CTC and cab signaling on Union Pacific
789.5 KB
|
|
Santa Fe installs CTC on single track
610.2 KB
|
Mountour 1
Nashville, Chattanooga & St. Louis 1
|
What CTC did for the Dixie Line
889.8 KB
|
New Haven, CT 1
|
Much is new in signaling for 1955
826.7 KB
|
New Paris, OH 1
New York Central 3
|
New Cleveland Transit System
917.8 KB
|
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
New York City Transit 1
|
Much is new in signaling for 1955
826.7 KB
|
New York, Chicago & St. Louis 1
|
New Cleveland Transit System
917.8 KB
|
New York, New Haven & Hartford 1
|
Much is new in signaling for 1955
826.7 KB
|
New York, NY 1
|
Much is new in signaling for 1955
826.7 KB
|
Newark, NJ 1
|
Much is new in signaling for 1955
826.7 KB
|
Newkirk, OK 1
Nickel Plate 1
|
New Cleveland Transit System
917.8 KB
|
North East, PA 1
|
News briefs. 1955-08
830.4 KB
|
North Platte, NE 1
|
Much is new in signaling for 1955
826.7 KB
|
North Possum Point, VA 1
|
How to run reverse temporarily
197.6 KB
|
Nottingham, OH 2
|
New York Central’s CTC – It’s Four Tracks to Two
4.1 MB
|
|
News briefs. 1955-08
830.4 KB
|
Oakdale, TN 1
|
Much is new in signaling for 1955
826.7 KB
|
Oklahoma CIty, OK 1
Oley, Reading, PA 1
Omaha, NE 1
|
CTC on single and double track
406.8 KB
|
Ontario Northland 1
|
News briefs. 1955-08
830.4 KB
|
Oreapolis, NE 1
|
CTC on single and double track
406.8 KB
|
Oshkosh, WI 1
Otto, WY 1
Pacific Jct., IA 1
|
CTC on single and double track
406.8 KB
|
Paddington, Manitoba 1
|
News briefs. 1955-08
830.4 KB
|
Painesville, OH 1
|
News briefs. 1955-08
830.4 KB
|
Paola, KS 1
|
Both ways on both tracks with CTC
765.0 KB
|
Pennslvania 1
Pennsylvania 2
|
Crossing protection for 16 streets
371.1 KB
|
|
News briefs. 1955-08
830.4 KB
|
Perkins, WY 1
Pike, Reading, PA 1
Pittsburgh & Lake Erie 1
Pittsburgh, Chartiers & Youghiogheny 1
Plattsmouth, NE 1
|
CTC on single and double track
406.8 KB
|
Pocatello, ID 1
|
News briefs. 1955-08
830.4 KB
|
Ponca City, OK 1
Port Arthur, Ontario 1
|
How CN increased track capacity
516.4 KB
|
Portland Terminal 1
Portland Union Station, Portland, ME 1
Portland, ME 1
position light signals 1
Preble, TX 1
|
News briefs. 1955-08
830.4 KB
|
Purcell, OK 1
radio 3
Reading 1
Reading, PA 1
Red Buttes, WY 1
relay interlocking 2
remote control interlocking 2
|
CTC reduces operating expenses
431.8 KB
|
|
News briefs. 1955-08
830.4 KB
|
retarder yards 1
|
Much is new in signaling for 1955
826.7 KB
|
Richmond, CA 1
Richmond, Fredericksburg & Potomac 2
|
How to run reverse temporarily
197.6 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
Richmond, VA 1
rock slide detectors 1
Rotterdam Jct., NY 1
|
CTC reduces operating expenses
431.8 KB
|
route interlocking 3
route lever interlocking 1
|
News briefs. 1955-08
830.4 KB
|
Saginaw, MI 1
Salisbury, MO 1
|
News briefs. 1955-08
830.4 KB
|
Saratoga Springs, NY 1
|
News briefs. 1955-08
830.4 KB
|
Savanna, GA 1
|
News briefs. 1955-08
830.4 KB
|
Scotia West, NY 1
|
CTC reduces operating expenses
431.8 KB
|
Seaboard Air Line 1
|
Much is new in signaling for 1955
826.7 KB
|
searchlight dwarf signal 1
|
News briefs. 1955-08
830.4 KB
|
searchlight signals 2
semaphore signals 1
Shaker Heights Transit 1
|
New Cleveland Transit System
917.8 KB
|
Sherman Hill, WY 1
Sherman, WY 1
South Bend, NE 1
|
CTC on single and double track
406.8 KB
|
South Tower, GA 1
|
News briefs. 1955-08
830.4 KB
|
South Walthourville, GA 1
|
News briefs. 1955-08
830.4 KB
|
Southern 1
|
Much is new in signaling for 1955
826.7 KB
|
Southern Pacific 3
Speer, WY 1
spring switches 1
|
How to run reverse temporarily
197.6 KB
|
St. Louis, MO 1
|
News briefs. 1955-08
830.4 KB
|
St. Louis-San Francisco 3
|
Both ways on both tracks with CTC
765.0 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
station timers 1
|
New Cleveland Transit System
917.8 KB
|
Stevenson, AL 1
|
What CTC did for the Dixie Line
889.8 KB
|
switch heaters 1
switchtenders 1
Tateville, KY 1
|
Much is new in signaling for 1955
826.7 KB
|
Terminal Association of St. Louis 2
Texas & Pacific 1
|
News briefs. 1955-08
830.4 KB
|
Toronto, Hamilton & Buffalo 1
|
What's the Answer? CTC Into Service
409.5 KB
|
Toronto, Ontario 1
|
News briefs. 1955-08
830.4 KB
|
Tower "A", Cheyenne, WY 1
Tower No. 1, Kansas City, MO 1
|
News briefs. 1955-08
830.4 KB
|
Tower No. 2, Kansas City, MO 1
|
News briefs. 1955-08
830.4 KB
|
traffic levers 1
traffic signals 1
Transcona, Manitoba 1
|
News briefs. 1955-08
830.4 KB
|
trip stops 1
|
New Cleveland Transit System
917.8 KB
|
Union Pacific 3
|
CTC and cab signaling on Union Pacific
789.5 KB
|
|
Much is new in signaling for 1955
826.7 KB
|
|
News briefs. 1955-08
830.4 KB
|
Union Switch & Signal 8
|
Both ways on both tracks with CTC
765.0 KB
|
|
C&O Consolidates Interlockings
3.2 MB
|
|
CTC and cab signaling on Union Pacific
789.5 KB
|
|
CTC enables P&LE to remove fourth main track
515.3 KB
|
|
CTC reduces operating expenses
431.8 KB
|
|
Pennsylvania installs wayside equipment for cab signaling
745.7 KB
|
|
Santa Fe installs CTC on single track
610.2 KB
|
|
What CTC did for the Dixie Line
889.8 KB
|
Wabash 2
|
Crossing protection for 16 streets
371.1 KB
|
|
News briefs. 1955-08
830.4 KB
|
Walnut, Reading, PA 1
Water, Reading, PA 1
Waverly, MD 1
|
News briefs. 1955-08
830.4 KB
|
Waycross, GA 1
|
News briefs. 1955-08
830.4 KB
|
WB Jct., MO 1
|
News briefs. 1955-08
830.4 KB
|
Weatherford, TX 1
|
News briefs. 1955-08
830.4 KB
|
West Crossover, OH 1
|
News briefs. 1955-08
830.4 KB
|
West Economy, PA 1
West Parkdale, Jct., Toronto, Ontario 1
|
News briefs. 1955-08
830.4 KB
|
Western Pacific 1
|
What's the Answer? CTC Into Service
409.5 KB
|
Western Railroad Supply 2
Westfield, NY 1
|
News briefs. 1955-08
830.4 KB
|
Willoughby, OH 1
|
News briefs. 1955-08
830.4 KB
|
Windermere, OH 1
|
New Cleveland Transit System
917.8 KB
|
Winnipeg, Manitoba 1
|
News briefs. 1955-08
830.4 KB
|
Xenia, OH 1
yard track indicator 1
|
CTC reduces operating expenses
431.8 KB
|