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.
1958 1
Signaling moderate during '58
528.6 KB
|
1959 1
|
1959 index
2.9 MB
|
1960 1
|
Signaling: 1960
225.2 KB
|
accidents 1
|
ICC reports on Erie wreck
440.4 KB
|
Albany, NY 1
|
D&H upgrades crossing protection
626.4 KB
|
all-relay interlocking 3
|
Erie consolidates interlockings
440.6 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
Signaling: 1960
225.2 KB
|
Anaheim, CA 1
|
Monorail is signaled electronically
573.9 KB
|
Anapra, NM 2
|
News briefs. 1959-05
506.5 KB
|
|
Pushbutton console for CTC
785.3 KB
|
aspects and indications 2
Association of American Railroads 1
|
Grade crossing funds debated
242.0 KB
|
Atchison, Topeka & Santa Fe 2
|
Santa Fe CTCs double track line
2.2 MB
|
|
Signaling moderate during '58
528.6 KB
|
Atlanta, GA 1
|
Signaling moderate during '58
528.6 KB
|
Atlantic Coast Line 1
|
News briefs. 1959-05
506.5 KB
|
atomic lamps 1
audio frequency overlay track circuits 1
|
AFO circuits protect crossing
554.0 KB
|
audio frequency track circuits 1
|
Signaling moderate during '58
528.6 KB
|
automated subway trains 1
|
Signaling: 1960
225.2 KB
|
automatic block signaling 7
|
B&M takes up track and installs traffic control, gates and flashers
745.0 KB
|
|
CTC discussed at AIEE meeting
445.2 KB
|
|
Hot box detector sets signals
1.2 MB
|
|
Monorail is signaled electronically
573.9 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
P&LE installs multiple track CTC
1.1 MB
|
|
Santa Fe CTCs double track line
2.2 MB
|
automatic classification yards 2
automatic gates 1
automatic interlocking 4
automatic railcar identification 1
automatic retarder yards 1
automatic train control 2
Baltimore & Ohio 3
|
News briefs. 1959-05
506.5 KB
|
|
P&LE installs multiple track CTC
1.1 MB
|
|
Signaling: 1960
225.2 KB
|
Baltimore, MD 1
|
News briefs. 1959-05
506.5 KB
|
Boston & Maine 2
British Railways 1
|
Computer simulates train operation
524.0 KB
|
broken wheel detectors 1
Brookfield, MO 1
Brownville, PA 1
Buffalo, NY 2
|
CTC discussed at AIEE meeting
445.2 KB
|
|
Signaling moderate during '58
528.6 KB
|
Burlington, IA 1
Butler, WI 1
|
C&NW has system-wide car reporting
702.6 KB
|
cab signaling 1
|
Monorail is signaled electronically
573.9 KB
|
cab signals 1
Canadian National 3
|
News briefs. 1959-05
506.5 KB
|
|
Pushbutton console for CTC
785.3 KB
|
|
Signaling moderate during '58
528.6 KB
|
Canadian Pacific 2
|
Computer simulates train operation
524.0 KB
|
|
Pushbutton console for CTC
785.3 KB
|
Capreol, Ontario 1
|
Pushbutton console for CTC
785.3 KB
|
Car-Fax 1
|
C&NW has system-wide car reporting
702.6 KB
|
carrier communication 1
|
Now: Instant hotbox location
829.3 KB
|
Central of Georgia 1
|
Signaling moderate during '58
528.6 KB
|
centralized traffic control 13
|
AFO circuits protect crossing
554.0 KB
|
|
B&M takes up track and installs traffic control, gates and flashers
745.0 KB
|
|
Burlington installs modified CTC
1.0 MB
|
|
CTC discussed at AIEE meeting
445.2 KB
|
|
Erie consolidates interlockings
440.6 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
P&LE installs multiple track CTC
1.1 MB
|
|
Pushbutton console for CTC
785.3 KB
|
|
Santa Fe CTCs double track line
2.2 MB
|
|
Signaling moderate during '58
528.6 KB
|
|
Signaling: 1960
225.2 KB
|
|
Traffic control center
301.2 KB
|
|
What's the answer? Repeater signals
691.6 KB
|
cetnralized traffic control 1
Chesapeake & Ohio 2
|
Pushbutton console for CTC
785.3 KB
|
|
Signaling moderate during '58
528.6 KB
|
Chicago & North Western 3
Chicago Aurora & Elgin 1
Chicago Transit Authority 1
|
Signaling moderate during '58
528.6 KB
|
Chicago, Burlington & Quincy 2
|
Burlington installs modified CTC
1.0 MB
|
|
Signaling moderate during '58
528.6 KB
|
Chicago, IL 3
|
C&NW has system-wide car reporting
702.6 KB
|
|
Signaling moderate during '58
528.6 KB
|
|
What’s the answer? Atomic lamps. 1959-12
194.6 KB
|
Chicago, Milwaukee, St. Paul & Pacific 1
|
Signaling moderate during '58
528.6 KB
|
Chicago, Rock Island & Pacific 1
Chillicothe, OH 1
|
News briefs. 1959-05
506.5 KB
|
Cicero, IL 1
|
Signaling moderate during '58
528.6 KB
|
circuit plans 2
|
Kinks. 1959-11
258.3 KB
|
|
Santa Fe CTCs double track line
2.2 MB
|
classification yards 6
Cleveland, OH 2
|
CTC discussed at AIEE meeting
445.2 KB
|
|
Signaling moderate during '58
528.6 KB
|
code line 1
coded carrier 1
|
CTC discussed at AIEE meeting
445.2 KB
|
coded track circuits 2
|
Burlington installs modified CTC
1.0 MB
|
|
CTC discussed at AIEE meeting
445.2 KB
|
Cohoes, NY 1
|
D&H upgrades crossing protection
626.4 KB
|
Collins, IA 1
|
Signaling moderate during '58
528.6 KB
|
Columbus, GA 1
|
Signaling moderate during '58
528.6 KB
|
computerization 1
|
How railroads use computers
339.6 KB
|
computers 2
computers in signaling 1
|
How railroads use computers
339.6 KB
|
Concord, NH 1
|
Signaling moderate during '58
528.6 KB
|
Corporal, CA 1
|
News briefs. 1959-05
506.5 KB
|
crossing watchmen 4
Crystal Lake, IL 1
|
C&NW has system-wide car reporting
702.6 KB
|
Cumberland, MD 1
|
News briefs. 1959-05
506.5 KB
|
Davis equation 1
|
Computer simulates train operation
524.0 KB
|
Decatur, IL 1
|
News briefs. 1959-05
506.5 KB
|
Delaware & Hudson 3
|
D&H upgrades crossing protection
626.4 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
Signaling moderate during '58
528.6 KB
|
Delaware, Lackawanna & Western 1
|
Erie consolidates interlockings
440.6 KB
|
Denver & Rio Grande Western 1
|
What's the answer? Repeater signals
691.6 KB
|
Denver Union Terminal 1
|
Signaling: 1960
225.2 KB
|
detector circuit 1
|
Kinks. 1959-11
258.3 KB
|
detector locking 1
|
Kinks. 1959-11
258.3 KB
|
Detroit, MI 1
|
Signaling moderate during '58
528.6 KB
|
Detroit, Toledo & Ironton 1
|
AFO circuits protect crossing
554.0 KB
|
Disneyland 1
|
Monorail is signaled electronically
573.9 KB
|
Disneyland monorail 1
|
Monorail is signaled electronically
573.9 KB
|
distant signal repeaters 1
|
What's the answer? Repeater signals
691.6 KB
|
dragging equipment detectors 1
Duluth, Missabe & Iron Range 1
|
Pushbutton console for CTC
785.3 KB
|
earthquake detectors 1
Edgerton, KS 1
Edgewood, MD 1
|
Now: Instant hotbox location
829.3 KB
|
electric interlocking 1
electric lock switches 3
electro-mechanical interlocking 1
electronic track circuits 1
|
Signaling moderate during '58
528.6 KB
|
Elkhart, IN 2
Erie 2
|
Erie consolidates interlockings
440.6 KB
|
|
ICC reports on Erie wreck
440.4 KB
|
facing point locks 1
Falk, MO 1
false proceed failures 1
|
Decrease in signal failures
336.5 KB
|
false restrictive failures 1
|
Decrease in signal failures
336.5 KB
|
fire detectors 1
flashing light signals 1
|
D&H upgrades crossing protection
626.4 KB
|
Flat Rock, MI 1
|
AFO circuits protect crossing
554.0 KB
|
flood detectors 1
Foleyet, Ontario 1
|
Pushbutton console for CTC
785.3 KB
|
General Railway Sgnal 1
|
Computer simulates train operation
524.0 KB
|
General Railway Signal 10
Georgia & Florida 1
|
Signaling: 1960
225.2 KB
|
Germany 1
|
What's the answer? Repeater signals
691.6 KB
|
Gila, AZ 1
|
Pushbutton console for CTC
785.3 KB
|
Gilkeson, PA 1
|
Signaling: 1960
225.2 KB
|
Glenwood, PA 1
|
Signaling: 1960
225.2 KB
|
Griswold Signal 1
Grove, VA 1
|
Pushbutton console for CTC
785.3 KB
|
Gulf, Mobile & Ohio 1
|
News briefs. 1959-05
506.5 KB
|
Halethorpe, MD 1
|
News briefs. 1959-05
506.5 KB
|
Hampton Roads Transfer, VA 1
|
Pushbutton console for CTC
785.3 KB
|
Hannibal, MO 1
Harpers Ferry, WV 1
|
News briefs. 1959-05
506.5 KB
|
helper signal 1
high water detectors 1
high-shunt track circuits 1
high-speed turnouts 1
highway ccrossings 1
highway crossings 7
|
AFO circuits protect crossing
554.0 KB
|
|
D&H upgrades crossing protection
626.4 KB
|
|
Fewer wayside observers makes automatic hazard detection necessary
1.1 MB
|
|
Grade crossing funds debated
242.0 KB
|
|
North Western installs automatic gates at nine crossings
699.9 KB
|
|
Signaling moderate during '58
528.6 KB
|
|
Signaling: 1960
225.2 KB
|
Hoboken, NJ 1
|
Erie consolidates interlockings
440.6 KB
|
Holliday, KS 1
Hornepayne, Ontario 2
|
News briefs. 1959-05
506.5 KB
|
|
Pushbutton console for CTC
785.3 KB
|
hotbox detectors 7
|
Fewer wayside observers makes automatic hazard detection necessary
1.1 MB
|
|
Hot box detector sets signals
1.2 MB
|
|
L&N installs hot box detector
480.3 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
Now: Instant hotbox location
829.3 KB
|
|
P&LE installs multiple track CTC
1.1 MB
|
|
Signaling moderate during '58
528.6 KB
|
hotbox indicators 1
|
L&N installs hot box detector
480.3 KB
|
hump signals 1
|
Britain's first automatic yard
312.0 KB
|
hump yards 2
Illinois Central 3
|
Grade crossing funds debated
242.0 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
What’s the answer? Atomic lamps. 1959-12
194.6 KB
|
index 1
|
1959 index
2.9 MB
|
interlocking 7
|
Erie consolidates interlockings
440.6 KB
|
|
Fewer wayside observers makes automatic hazard detection necessary
1.1 MB
|
|
Kinks. 1959-11
258.3 KB
|
|
Now: Instant hotbox location
829.3 KB
|
|
Santa Fe CTCs double track line
2.2 MB
|
|
Signaling: 1960
225.2 KB
|
|
What's the answer? Repeater signals
691.6 KB
|
interlocking consolidation 1
|
Signaling: 1960
225.2 KB
|
Interstate Commerce Commission 3
|
Decrease in signal failures
336.5 KB
|
|
ICC reports on Erie wreck
440.4 KB
|
|
News briefs. 1959-05
506.5 KB
|
Ipswich, MA 1
Jersey City, NJ 1
|
Erie consolidates interlockings
440.6 KB
|
Kansas City, MO 2
|
Burlington installs modified CTC
1.0 MB
|
|
Signaling moderate during '58
528.6 KB
|
krypton 85 1
laboratory 1
|
Mobile lab evaluates class yards
830.6 KB
|
Lebo, KS 1
Lodge, IL 1
|
News briefs. 1959-05
506.5 KB
|
Logan, CA 1
|
News briefs. 1959-05
506.5 KB
|
Lordsburg, NM 1
|
News briefs. 1959-05
506.5 KB
|
Louisville & Nashville 3
|
L&N installs hot box detector
480.3 KB
|
|
Pushbutton console for CTC
785.3 KB
|
|
Signaling moderate during '58
528.6 KB
|
lunar white 3
|
Britain's first automatic yard
312.0 KB
|
|
Burlington installs modified CTC
1.0 MB
|
|
Pushbutton console for CTC
785.3 KB
|
Macon, GA 1
|
Signaling moderate during '58
528.6 KB
|
Macon, MO 1
Madrid, IA 1
|
Signaling moderate during '58
528.6 KB
|
Maine Central 1
|
Signaling moderate during '58
528.6 KB
|
Mark, MO 1
McKees Rocks, PA 1
McKeesport, PA 1
mechanical interlocking 3
|
News briefs. 1959-05
506.5 KB
|
|
P&LE installs multiple track CTC
1.1 MB
|
|
Santa Fe CTCs double track line
2.2 MB
|
Melvern, KS 1
Michoud, LA 1
|
Pushbutton console for CTC
785.3 KB
|
Minneapolis & St. Louis 1
|
Signaling: 1960
225.2 KB
|
Missabe, MN 1
|
Pushbutton console for CTC
785.3 KB
|
Missouri Pacific 2
|
Santa Fe CTCs double track line
2.2 MB
|
|
Signaling moderate during '58
528.6 KB
|
mobile laboratory 1
|
Mobile lab evaluates class yards
830.6 KB
|
Mobile, AL 1
|
Pushbutton console for CTC
785.3 KB
|
Moncton, New Brunswick 1
|
Signaling moderate during '58
528.6 KB
|
Montague, MA 1
|
Signaling moderate during '58
528.6 KB
|
Montreal, Quebec 1
|
Signaling moderate during '58
528.6 KB
|
Moose Jaw, Saskatchewan 1
|
Pushbutton console for CTC
785.3 KB
|
Morrisville, PA 1
Nakina, Ontario 2
|
News briefs. 1959-05
506.5 KB
|
|
Pushbutton console for CTC
785.3 KB
|
New York Central 4
|
CTC discussed at AIEE meeting
445.2 KB
|
|
How retarder controls function at Young Yard on the NYC
978.1 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
Signaling moderate during '58
528.6 KB
|
New York City Transit 3
|
Signaling moderate during '58
528.6 KB
|
|
Signaling: 1960
225.2 KB
|
|
What's the answer? Repeater signals
691.6 KB
|
New York, Susquehanna & Western 1
|
Erie consolidates interlockings
440.6 KB
|
Newburyport, MA 1
Norfolk & Western 1
|
News briefs. 1959-05
506.5 KB
|
Norfolk Southern 1
|
News briefs. 1959-05
506.5 KB
|
North Beverly, MA 1
North River, MO 1
NYC Robert R. Young Yard, Elkhart, IN 1
|
Signaling moderate during '58
528.6 KB
|
Olathe, KS 1
Omega, OH 1
|
News briefs. 1959-05
506.5 KB
|
Oneonta, NY 1
|
News briefs. 1959-05
506.5 KB
|
Ottawa Jct., KS 1
P&LE Gateway Yard, Youngstown, OH 1
Palmyra, MO 1
Paris, KW 1
|
L&N installs hot box detector
480.3 KB
|
Pennsylvania 6
|
AFO circuits protect crossing
554.0 KB
|
|
Computer simulates train operation
524.0 KB
|
|
Hot box detector sets signals
1.2 MB
|
|
News briefs. 1959-05
506.5 KB
|
|
Now: Instant hotbox location
829.3 KB
|
|
What’s the answer? Atomic lamps. 1959-12
194.6 KB
|
Pine Bluff, AR 1
|
Signaling moderate during '58
528.6 KB
|
Pittsburgh & Lake Erie 3
Pittsburgh, PA 1
Plymouth, MI 1
|
Signaling moderate during '58
528.6 KB
|
Point of Rocks, MD 1
|
News briefs. 1959-05
506.5 KB
|
position light signals 2
|
Hot box detector sets signals
1.2 MB
|
|
News briefs. 1959-05
506.5 KB
|
power switch machines 2
|
New GRS switch machines
531.5 KB
|
|
Santa Fe CTCs double track line
2.2 MB
|
Proviso, IL 1
Quebec, North Shore & Labrador 1
|
Signaling moderate during '58
528.6 KB
|
Quenemo, KS 1
railcar reporting 1
|
C&NW has system-wide car reporting
702.6 KB
|
railcar tracing 1
|
C&NW has system-wide car reporting
702.6 KB
|
Reading 1
|
Signaling moderate during '58
528.6 KB
|
remote-control interlocking 1
|
News briefs. 1959-05
506.5 KB
|
Renick, OH 1
|
News briefs. 1959-05
506.5 KB
|
repeater signals 1
|
What's the answer? Repeater signals
691.6 KB
|
retarder yards 4
Ridgeton, KS 1
Rives, TN 1
|
News briefs. 1959-05
506.5 KB
|
Robert R. Young Yard, Elkhart, IN 1
rockslide detectors 1
Rocky Mount, NC 1
|
News briefs. 1959-05
506.5 KB
|
route interlocking 1
|
Signaling: 1960
225.2 KB
|
Salem, MA 1
San Francisco, CA 1
|
News briefs. 1959-05
506.5 KB
|
Seaboard Air Line 1
|
CTC discussed at AIEE meeting
445.2 KB
|
searchlight signals 3
semaphore signals 3
|
Kinks. 1959-11
258.3 KB
|
|
Santa Fe CTCs double track line
2.2 MB
|
|
What’s the answer? Atomic lamps. 1959-12
194.6 KB
|
semi-automatic interlocking 1
Servo 3
|
Hot box detector sets signals
1.2 MB
|
|
L&N installs hot box detector
480.3 KB
|
|
Now: Instant hotbox location
829.3 KB
|
signal blocking 1
|
Pushbutton console for CTC
785.3 KB
|
signal cable 1
|
How to splice plastic cable
1.2 MB
|
signal construction 1
|
Signaling moderate during '58
528.6 KB
|
Sloatsburg, NY 1
|
ICC reports on Erie wreck
440.4 KB
|
snow detectors 1
Southern 1
|
Signaling moderate during '58
528.6 KB
|
Southern Pacific 2
|
News briefs. 1959-05
506.5 KB
|
|
Pushbutton console for CTC
785.3 KB
|
Southfields, NY 1
|
ICC reports on Erie wreck
440.4 KB
|
splicing signal cable 1
|
How to splice plastic cable
1.2 MB
|
spring switches 2
St. Louis Southwestern 1
|
Signaling moderate during '58
528.6 KB
|
St. Louis-San Francisco 2
|
Signaling: 1960
225.2 KB
|
|
What's the answer? Repeater signals
691.6 KB
|
Staples, Crawford E. 1
Suffern, NY 1
|
ICC reports on Erie wreck
440.4 KB
|
Swift Current, Saskatchewan 1
|
Pushbutton console for CTC
785.3 KB
|
switch blocking 1
|
Pushbutton console for CTC
785.3 KB
|
switch lamps 1
switch machines 1
|
New GRS switch machines
531.5 KB
|
Syracuse, NY 1
|
Signaling moderate during '58
528.6 KB
|
Terminal Association of St. Louis 1
|
Signaling: 1960
225.2 KB
|
Thornton, Scotland 1
|
Britain's first automatic yard
312.0 KB
|
time locking 1
timetable and train order 1
|
ICC reports on Erie wreck
440.4 KB
|
Tower HU, KS 1
track circuits 1
train identification 1
|
Signaling moderate during '58
528.6 KB
|
Transcontrol 1
|
AFO circuits protect crossing
554.0 KB
|
Trissal, J. M. 1
|
Grade crossing funds debated
242.0 KB
|
Tuscson, AZ 1
|
Pushbutton console for CTC
785.3 KB
|
Tuxedo, NY 1
|
ICC reports on Erie wreck
440.4 KB
|
Union Switch & Signal 7
|
Burlington installs modified CTC
1.0 MB
|
|
Erie consolidates interlockings
440.6 KB
|
|
News briefs. 1959-05
506.5 KB
|
|
P&LE installs multiple track CTC
1.1 MB
|
|
Pushbutton console for CTC
785.3 KB
|
|
Santa Fe CTCs double track line
2.2 MB
|
|
Traffic control center
301.2 KB
|
Union Switch & Signalcoded track circuits 1
Union Switch & Signals 1
|
AFO circuits protect crossing
554.0 KB
|
United Kingdom 1
|
Britain's first automatic yard
312.0 KB
|
University of Manchester 1
|
Computer simulates train operation
524.0 KB
|
Virginian 1
|
Signaling moderate during '58
528.6 KB
|
Wabash 1
|
News briefs. 1959-05
506.5 KB
|
Wampum, PA 1
weather detectors 1
Wellsville, KS 1
West Aliquippa, PA 1
West Quincy, MO 1
Westboro, NH 1
|
Signaling moderate during '58
528.6 KB
|
Western Railroad Supply 3
Wheaton, IL 1
Wheeling, WV 1
|
Signaling: 1960
225.2 KB
|
Wiggam, KS 1
Wilson, NC 1
|
News briefs. 1959-05
506.5 KB
|
Winnipeg, Manitoba 1
|
Signaling moderate during '58
528.6 KB
|