Railway Signaling: 1928

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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Aberdeen, SD 1

1928	Automatic Interlockers Are Profitable Investments 3.3 MB

approach lighting 1

1928	Obituary: Frank P. Patenall 627.0 KB

Arcadia, OH 1

1928	Nickel Plate Installs 169 Miles of Color Light Automatics 3.6 MB

Atchison, Topeka & Santa Fe 6

1928	Color Light Train Order Signals Are Effective 2.9 MB
1928	Continued Activity and Development in Signaling 1.1 MB
1928	Emergency Release Circuits 2.4 MB
1928	Santa Fe Governs High Speed Main-Line Movements with Dwarf Signal 502.9 KB
1928	Should Call-On Arms Be Used? 1.0 MB
1928	Train Signs or Indicators 468.2 KB

Atlanta, GA 1

1928	NC&StL Completes Signaling from Nashville to Atlanta, 288 Miles 3.3 MB

Atlantic Coast Line 2

1928	Are Call-On Signals Safe? 1.2 MB
1928	Color Light Train Order Signals Are Effective 2.9 MB

Aurora, IL 1

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB

automatic block signaling 1

1928	Train Order Indicators Used Successfully on the CI&L 604.3 KB

automatic train control 1

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB

Baltimore & Ohio 2

1928	Obituary: Frank P. Patenall 627.0 KB
1928	Personal Mention: G. H. Dryden 432.7 KB

Baltimore, MD 1

1928	Pennsylvania Installs Code System of Train Stop with Signaling 5.7 MB

Berwick, OH 1

1928	Dispatcher Signaling System Operates Through Sleet Storm 1.1 MB

Boston & Maine 2

1928	Extensive Interlocking Changes Made by Boston & Maine 3.9 MB
1928	Preparation of Circuit Plans 576.3 KB

Boston, MA 1

1928	Extensive Interlocking Changes Made by Boston & Maine 3.9 MB

Bridgeport, MI 1

1928	Pere Marquette Installs Centralized Control Signal System 3.2 MB

cab signaling 1

1928	Co-ordinating Cab and Wayside Signaling 1.6 MB

Central of Georgia 1

1928	Continued Activity and Development in Signaling 1.1 MB

Central of New Jersey 2

1928	Arrangement of Color Light Units 816.2 KB
1928	What Is to Be Gained by Train Stop or Train Control? 463.8 KB

centralized traffic control 1

1928	Diversified Application of the Centralized Control System 493.5 KB

Charlottesville, VA 1

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB

Chesapeake & Ohio 3

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB
1928	Color Light Train Order Signals Are Effective 2.9 MB
1928	Emergency Release Circuits 2.4 MB

Chicago & Eastern Illinois 4

1928	Automatic Signals Within Yard Limits 1.0 MB
1928	C&EI Installs Automatic Interlocker at Main Line Crossing 3.7 MB
1928	Elimination of Derails 796.4 KB
1928	Signal and Train Control Hearing Ends 2.0 MB

Chicago & North Western 7

1928	Are Call-On Signals Safe? 1.2 MB
1928	Automatic Interlockers Are Profitable Investments 3.3 MB
1928	Automatic Train Control on the Chicago & North Western 5.7 MB
1928	Changes on the C&NW 978.4 KB
1928	Continued Activity and Development in Signaling 1.1 MB
1928	Early APB Signaling 408.5 KB
1928	What Is the Cost of a Train Stop? 463.2 KB

Chicago Great Western 1

1928	Automatic Interlocker on Chicago Great Western Effects Saving 2.4 MB

Chicago Junction 1

1928	Rock Island Completes 33-Lever Electric Interlocker 2.8 MB

Chicago South Shore & South Bend 2

1928	Color Light Train Order Signals Are Effective 2.9 MB
1928	South Shore Line Uses Spring Switches on Heavy Traffic Lines 1.4 MB

Chicago, Burlington & Quincy 4

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB
1928	Centralized Control on Burlington Saves $16,200 a Year 2.4 MB
1928	Early APB Signaling 408.5 KB
1928	Should Call-On Arms Be Used? 1.0 MB

Chicago, IL 2

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB
1928	Rock Island Completes 33-Lever Electric Interlocker 2.8 MB

Chicago, Indianapolis & Louisville 2

1928	Should Call-On Arms Be Used? 1.0 MB
1928	Train Order Indicators Used Successfully on the CI&L 604.3 KB

Chicago, Milwaukee & St. Paul 1

1928	Continued Activity and Development in Signaling 1.1 MB

Chicago, Milwaukee, St. Paul & Pacific 2

1928	Automatic Interlockers Are Profitable Investments 3.3 MB
1928	Why Markers for Automatic Signals? 494.6 KB

Chicago, Rock Island & Pacific 4

1928	Can Preliminary Latch Locking Be Eliminated 595.1 KB
1928	Continued Activity and Development in Signaling 1.1 MB
1928	Rock Island Completes 33-Lever Electric Interlocker 2.8 MB
1928	Should Call-On Arms Be Used? 1.0 MB

Clifton Forge, VA 1

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB

color position light signals 1

1928	Obituary: Frank P. Patenall 627.0 KB

Cone, L. 1

1928	Changes on the C&NW 978.4 KB

Conneaut, OH 1

1928	Nickel Plate Installs 169 Miles of Color Light Automatics 3.6 MB

Delaware & Hudson 1

1928	Circuit Polarity at Relay Contacts 526.2 KB

Delaware, Lackawanna & Western 2

1928	Continued Activity and Development in Signaling 1.1 MB
1928	Emergency Release Circuits 2.4 MB

Delmar, IA 1

1928	Automatic Interlockers Are Profitable Investments 3.3 MB

Denver, CO 1

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB

Dryden, G. H. 1

1928	Personal Mention: G. H. Dryden 432.7 KB

Dunfee, IN 1

1928	Early APB Signaling 408.5 KB

early signaling 1

1928	Signaling Half a Century Ago 1.1 MB

economics 2

1928	Signaling Is an Aid to Greater Equipment Utilization 486.1 KB
1928	What Is the Cost of a Train Stop? 463.2 KB

Erie 1

1928	Signal and Train Control Hearing Ends 2.0 MB

Fostoria, OH 1

1928	Dispatcher Signaling System Operates Through Sleet Storm 1.1 MB

Galesburg, IL 1

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB

Gary, IN 1

1928	South Shore Line Uses Spring Switches on Heavy Traffic Lines 1.4 MB

General Railway Signal 3

1928	Changes on the C&NW 978.4 KB
1928	Circuit Polarity at Relay Contacts 526.2 KB
1928	Train Order Indicators Used Successfully on the CI&L 604.3 KB

Gibson, IN 1

1928	Electric Interlocker and Switch Control Speeds Up Yard Operation 2.4 MB

Gordonsville, VA 1

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB

Great Northern 4

1928	Arrangement of Color Light Units 816.2 KB
1928	Emergency Release Circuits 2.4 MB
1928	GN Replaces Semaphores with Color Light Signals 1.2 MB
1928	Why Markers for Automatic Signals? 494.6 KB

Harrisburg, PA 1

1928	Pennsylvania Installs Code System of Train Stop with Signaling 5.7 MB

highway crossings 2

1928	A Standard Aspect for Highway Crossing Signals 1.8 MB
1928	Union Type HC5 Flasher with Vertical "Stop" Sign 495.9 KB

Hocking Valley 1

1928	Pennsylvania Installs an Interlocking Without Derails 2.3 MB

Illinois Central 8

1928	Automatic Interlocker on Chicago Great Western Effects Saving 2.4 MB
1928	C&EI Installs Automatic Interlocker at Main Line Crossing 3.7 MB
1928	Changes on the C&NW 978.4 KB
1928	Continued Activity and Development in Signaling 1.1 MB
1928	Cost of a Train Stop 944.9 KB
1928	Emergency Release Circuits 2.4 MB
1928	Signal and Train Control Hearing Ends 2.0 MB
1928	What Is the Cost of a Train Stop? 463.2 KB

Indiana Harbor Belt 1

1928	Electric Interlocker and Switch Control Speeds Up Yard Operation 2.4 MB

Interborough Rapid Transit 2

1928	Emergency Release Circuits 2.4 MB
1928	More Comments on Latch Locking 643.4 KB

interlocking 4

1928	Changes in Types of Interlocking 443.4 KB
1928	Stiles Controller for S. & F. Machine 685.1 KB
1928	Why Markers for Automatic Signals? 494.6 KB
1928	Will More Extensive Use of Electric Locking Simplify Interlocking? 642.1 KB

Interstate Commerce Commission 1

1928	What Is to Be Gained by Train Stop or Train Control? 463.8 KB

Kansas City, MO 1

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB

Lindsay, VA 1

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB

Loree, L. F. 1

1928	Obituary: Frank P. Patenall 627.0 KB

Los Angeles, CA 1

1928	Pacific Electric Protects Subway Traffic With Signals and Train Stops 2.4 MB

Louisville & Nashville 3

1928	Emergency Release Circuits 2.4 MB
1928	Signal and Train Control Hearing Ends 2.0 MB
1928	What Is to Be Gained by Train Stop or Train Control? 463.8 KB

Michigan City, IN 1

1928	South Shore Line Uses Spring Switches on Heavy Traffic Lines 1.4 MB

Minneapolis & St. Louis 1

1928	Automatic Interlockers Are Profitable Investments 3.3 MB

Minneapolis, MN 1

1928	GN Replaces Semaphores with Color Light Signals 1.2 MB

Missouri Pacific 2

1928	Arrangement of Color Light Units 816.2 KB
1928	Continued Activity and Development in Signaling 1.1 MB

Missouri-Kansas-Texas 4

1928	Cost of a Train Stop 944.9 KB
1928	Signal and Train Control Hearing Ends 2.0 MB
1928	What Is the Cost of a Train Stop? 463.2 KB
1928	Why Markers for Automatic Signals? 494.6 KB

Mobile & Ohio 1

1928	Color Light Train Order Signals Are Effective 2.9 MB

Monon 1

1928	Train Order Indicators Used Successfully on the CI&L 604.3 KB

Mount Morris, MI 1

1928	Pere Marquette Installs Centralized Control Signal System 3.2 MB

Nashville, Chattanooga & St. Louis 4

1928	Educational Efforts Lead to Better Signal Performance 511.9 KB
1928	NC&StL Completes Signaling from Nashville to Atlanta, 288 Miles 3.3 MB
1928	Train Signs or Indicators 468.2 KB
1928	Why Markers for Automatic Signals? 494.6 KB

Nashville, TN 1

1928	NC&StL Completes Signaling from Nashville to Atlanta, 288 Miles 3.3 MB

New York Central 9

1928	Color Light Train Order Signals Are Effective 2.9 MB
1928	Continued Activity and Development in Signaling 1.1 MB
1928	Dispatcher Signaling System Operates Through Sleet Storm 1.1 MB
1928	Electric Interlocker and Switch Control Speeds Up Yard Operation 2.4 MB
1928	Electric Plant on NYC Replaces Two Mechanical Plants 3.2 MB
1928	Elimination of Derails 796.4 KB
1928	Normal-Stop Versus Normal-Clear Signaling 529.4 KB
1928	Rock Island Completes 33-Lever Electric Interlocker 2.8 MB
1928	Signal Aspects for "Head-In" Indication at Passing Track 1.0 MB

New York Rapid Transit 1

1928	Are Call-On Signals Safe? 545.6 KB

New York, Chicago & St. Louis 3

1928	Arrangement of Color Light Units 816.2 KB
1928	Early APB Signaling 408.5 KB
1928	Nickel Plate Installs 169 Miles of Color Light Automatics 3.6 MB

New York, New Haven & Hartford 1

1928	Signal and Train Control Hearing Ends 2.0 MB

Noble, S. E. 1

1928	Changes on the C&NW 978.4 KB

Norfolk & Western 2

1928	Are Call-On Signals Safe? 1.2 MB
1928	Signal and Train Control Hearing Ends 2.0 MB

Northern Pacific 4

1928	Automatic Interlocking (Letter to the Editor) 499.6 KB
1928	Automatic Signals Within Yard Limits 1.0 MB
1928	Can Preliminary Latch Locking Be Eliminated 595.1 KB
1928	Signal and Train Control Hearing Ends 2.0 MB

obituary 1

1928	Obituary: Frank P. Patenall 627.0 KB

Orange, VA 1

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB

Pacific Electric 1

1928	Pacific Electric Protects Subway Traffic With Signals and Train Stops 2.4 MB

Patenall, F. P. 2

1928	Obituary: Frank P. Patenall 627.0 KB
1928	Personal Mention: G. H. Dryden 432.7 KB

Pennsylvania 3

1928	Pennsylvania Installs an Interlocking Without Derails 2.3 MB
1928	Pennsylvania Installs Code System of Train Stop with Signaling 5.7 MB
1928	Signal Aspects for "Head-In" Indication at Passing Track 1.0 MB

Pere Marquette 2

1928	Pere Marquette Installs Centralized Control Signal System 3.2 MB
1928	Signal Aspects for "Head-In" Indication at Passing Track 1.0 MB

personal 3

1928	Changes on the C&NW 978.4 KB
1928	Obituary: Frank P. Patenall 627.0 KB
1928	Personal Mention: G. H. Dryden 432.7 KB

Phinney, R. M. 1

1928	Changes on the C&NW 978.4 KB

purchasing 1

1928	Getting What You Specify 866.4 KB

Quincy, IL 1

1928	Centralized Control on Burlington Saves $16,200 a Year 2.4 MB

Reading 2

1928	Eliminating Danger of False-Clear Semaphores 857.8 KB
1928	Signal and Train Control Hearing Ends 2.0 MB

Redfield, SD 1

1928	Automatic Interlockers Are Profitable Investments 3.3 MB

relays 1

1928	Circuit Polarity at Relay Contacts 526.2 KB

Richmond, Fredericksburg & Potomac 1

1928	Signal and Train Control Hearing Ends 2.0 MB

Root Street, Chicago, IL 1

1928	Rock Island Completes 33-Lever Electric Interlocker 2.8 MB

Seaboard Air Line 3

1928	Automatic Signals Within Yard Limits 1.0 MB
1928	Signal and Train Control Hearing Ends 2.0 MB
1928	Why Markers for Automatic Signals? 494.6 KB

Signal Accessories Corporation 1

1928	Saco Lever Circuit Controller 735.1 KB

signaling 1

1928	Why Markers for Automatic Signals? 494.6 KB

South Whitley, IN 1

1928	Early APB Signaling 408.5 KB

Southern 4

1928	Signal and Train Control Hearing Ends 2.0 MB
1928	Signal Aspects for "Head-In" Indication at Passing Track 1.0 MB
1928	Signals Should Keep Trains Moving 400.7 KB
1928	Why Markers for Automatic Signals? 494.6 KB

Southern Pacific 2

1928	Automatic Signals Within Yard Limits 1.0 MB
1928	Signal and Train Control Hearing Ends 2.0 MB

St. Louis Southwestern 1

1928	Signal and Train Control Hearing Ends 2.0 MB

St. Louis, MO 1

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB

St. Louis-San Francisco 3

1928	Reporting False Clear Indications 648.8 KB
1928	Signal and Train Control Hearing Ends 2.0 MB
1928	Why Markers for Automatic Signals? 494.6 KB

St. Paul, MN 2

1928	Burlington Completes Automatic Signals Chicago to Denver 5.1 MB
1928	GN Replaces Semaphores with Color Light Signals 1.2 MB

Standard Code 1

1928	Train Signs or Indicators 468.2 KB

Stanley, OH 2

1928	Dispatcher Signaling System Operates Through Sleet Storm 1.1 MB
1928	Electric Plant on NYC Replaces Two Mechanical Plants 3.2 MB

Starck, P. A. 1

1928	Changes on the C&NW 978.4 KB

Staunton, VA 1

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB

Sullivan, IN 1

1928	C&EI Installs Automatic Interlocker at Main Line Crossing 3.7 MB

Texas & Pacific 3

1928	Color Light Train Order Signals Are Effective 2.9 MB
1928	Signal and Train Control Hearing Ends 2.0 MB
1928	Why Markers for Automatic Signals? 494.6 KB

Toledo Terminal 1

1928	Pennsylvania Installs an Interlocking Without Derails 2.3 MB

Tomkins, O. S. 1

1928	Changes on the C&NW 978.4 KB

train control 1

1928	What Is to Be Gained by Train Stop or Train Control? 463.8 KB

train order signals 1

1928	Train Order Indicators Used Successfully on the CI&L 604.3 KB

Union Pacific 2

1928	Are Call-On Signals Safe? 1.2 MB
1928	Signal and Train Control Hearing Ends 2.0 MB

Union Switch & Signal 5

1928	C&O Signaling and Train Control Facilitate Operation 4.1 MB
1928	Circuit Polarity at Relay Contacts 526.2 KB
1928	New Line of DN Relays 816.5 KB
1928	New Long-Range Search-Light Signal 1.1 MB
1928	Union Type HC5 Flasher with Vertical "Stop" Sign 495.9 KB

upper quadrant semaphore 1

1928	Obituary: Frank P. Patenall 627.0 KB

Wabash 3

1928	Continued Activity and Development in Signaling 1.1 MB
1928	Emergency Release Circuits 2.4 MB
1928	Signal and Train Control Hearing Ends 2.0 MB

Walbridge, OH 1

1928	Pennsylvania Installs an Interlocking Without Derails 2.3 MB

Waverly, IA 1

1928	Automatic Interlocker on Chicago Great Western Effects Saving 2.4 MB

West Quincy, MO 1

1928	Centralized Control on Burlington Saves $16,200 a Year 2.4 MB

Wolsey, SD 1

1928	Automatic Interlockers Are Profitable Investments 3.3 MB

yard limits 1

1928	Signaling of Main Tracks Through Yards 446.2 KB

Railway Signaling: 1928

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