Railway Signaling: F

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"FG", Louisville, KY 1
1949 New Interlocking in Louisville   5.3 MB
"FS" interlocking, Elmira, NY 1
1958 DL&W-Erie joint operation is ready to go   643.6 KB
facing point locks 6
1959 B&M takes up track and installs traffic control, gates and flashers   745.0 KB
1940 Facing Point Lock for Spring Switches   1.2 MB
1940 Facing Point Locks On Main Line Switches   2.6 MB
1935 Facing Point Locks on Switches   3.2 MB
1935 FPL Adjustment on Spring Switches   1.3 MB
1957 What's the Answer: Spring switches?   200.0 KB
fail-safe circuits 1
1963 Solid State Devices   938.4 KB
Fair Grounds, IA 1
1911 Automatic Signals on the Chicago Great Western   7.4 MB
Fairhope, OH 1
1962 News briefs. 1962-02   1.4 MB
Fairmount, IL 1
1941 Automatics Installed on the Wabash   4.0 MB
Fairpoint, OH 1
1934 CTC Installed on the Baltimore & Ohio   2.1 MB
Falk, MO 1
1959 Burlington installs modified CTC   1.0 MB
Fall, VA 1
1963 News briefs. 1963-05   720.2 KB
Falls City, NE 1
1963 News briefs. 1963-11   1.4 MB
false clear failures 2
1931 A Lesson from a False-Clear Failure   572.9 KB
1937 False Clear Failures   2.0 MB
false proceed failures 8
1959 Decrease in signal failures   336.5 KB
1958 Decrease in signal failures reported by ICC Bureau of Safety   629.9 KB
1951 ICC Bureau of Safety Report   740.4 KB
1963 ICC Reports on Signaling   959.4 KB
1964 ICC Reports on Signaling   954.4 KB
1960 ICC Reports RR safety   554.4 KB
1957 Increase in signal failures reported by ICC Bureau of Safety   652.1 KB
1965 Signal failures reported by ICC   1.1 MB
false proceed indication 3
1965 Collision due to signal failure   647.8 KB
1947 False Clear Signal   1.0 MB
1965 Indication locking inadequate says ICC in report   844.7 KB
false proceed indications 2
1955 Fewer signal failures   645.3 KB
1961 ICC Reports on Railroad Safety   189.7 KB
false restrictive failures 7
1959 Decrease in signal failures   336.5 KB
1958 Decrease in signal failures reported by ICC Bureau of Safety   629.9 KB
1951 ICC Bureau of Safety Report   740.4 KB
1963 ICC Reports on Signaling   959.4 KB
1960 ICC Reports RR safety   554.4 KB
1957 Increase in signal failures reported by ICC Bureau of Safety   652.1 KB
1965 Signal failures reported by ICC   1.1 MB
false restrictive indications 1
1955 Fewer signal failures   645.3 KB
Farnam, IA 1
1947 ICC Signal Hearings   179.7 KB
Farrington, IL 1
1940 Pennsylvania Installs Centralized Traffic Control On 69 Miles of Line   13.1 MB
Farrington, WA 1
1947 Signals and Slide Fences on the Spokane, Portland & Seattle   1.8 MB
Fayetteville, NC 1
1961 News briefs. 1961-12   978.0 KB
Featherstone, VA 1
1955 How to run reverse temporarily   197.6 KB
Federal Communications Commission 1
1958 Split-channel radio   649.4 KB
federal highway improvement program 1
1935 Highway-Railroad Crossing Signals Installed at Federal Expense   1.2 MB
Federal Railway Signal 1
1954 General Railway Signal Company Enters Fiftieth Year   1.6 MB
federal regulation 1
1937 Signal Inspection Bill Passed by Congress   3.4 MB
Federal Signal 6
1916 AC Signaling in the Centre Street Loop   924.9 KB
1920 Electric Interlocking at Bellefontaine, Ohio   3.8 MB
1910 Electric Interlocking at Griffith, Indiana   964.1 KB
1915 General Railway Signal Company and Federal Signal Company Consolidated   986.1 KB
1915 New Interlockers on the Flint Belt Line   2.2 MB
1916 Service Record of Position-Light Signals   580.8 KB
Federal Signal Co. 1
1918 New Electric Interlocking at Clyde, IL   418.7 KB
Federico Lacroze terminal, Buenos Aires, Argentina 1
1960 News briefs. 1960-06   1.2 MB
Fennville, MI 1
1945 CTC Solves Operating Problems On the Pere Marquette   4.3 MB
Ferguson, MO 2
1940 New Signaling on the Wabash   8.1 MB
1937 Signaling on the Wabash   3.7 MB
Fifth Street interlocking, Elmira, NY 1
1958 DL&W-Erie joint operation is ready to go   643.6 KB
Filer, PA 2
1957 Bessemer takes up second track and installs Centralized Traffic Control   700.5 KB
1943 CTC on the Bessemer & Lake Erie   8.7 MB
Finlen, MT 1
1916 Signaling the Milwaukee's Electric Zone   624.8 KB
Finley, WA 1
1947 Signals and Slide Fences on the Spokane, Portland & Seattle   1.8 MB
fire 4
1940 Fire Destroys Tower of Large Interlocking at St. Louis   2.0 MB
1921 Fire Threatened Tie Up At Grand Central Terminal   1.5 MB
1923 Quick Restoration of Wire Service at Broad Street Station   3.5 MB
1940 St. Louis Terminal   403.1 KB
fire detectors 2
1959 Fewer wayside observers makes automatic hazard detection necessary   1.1 MB
1939 Special Aspects for Detectors   937.0 KB
five-aspect signals 1
1944 New York Central Installs Coded Track Circuits   3.9 MB
Flag Center, IL 3
1930 Burlington Installs Centralized Control on Nine Miles of Double Track   1.8 MB
1943 Centralized Traffic Control Installed on 39 Miles of the Burlington   6.1 MB
1947 More CTC on the Burlington   2.0 MB
flagging 1
1940 Entering the Main Line   1.3 MB
flasher relay 3
1939 An Improved Flasher Relay   1.8 MB
1940 Flasher Relay   1.7 MB
1947 Flasher Relay   1.3 MB
flashing aspects 3
1935 Flashing Aspects   1.3 MB
1935 Multiple Aspect Signaling   3.3 MB
1949 Varied Light Intensity   921.0 KB
flashing light crossing signals 1
1943 Crossing Protection on Milwaukee   5.7 MB
flashing light signals 7
1951 A History of Flashing-Light Crossing Signals- What They Are and Why   570.5 KB
1935 Crossing Bells at Flasher Signals   1.9 MB
1965 Crossing protection gets new look   490.1 KB
1959 D&H upgrades crossing protection   626.4 KB
1935 Letter to the Editor: Highways vs. Railroads   1.7 MB
1936 Phantom Indications   1.8 MB
1936 Reducing Current at Flashing Relay Contacts   2.2 MB
flashing lights 1
1917 Flash Lights on the P&R   920.4 KB
flashing red aspect 1
1949 Train Operation By Signal Inidication Used Extensively on the Nickel Plate   6.1 MB
flashing signals 1
1913 The AGA flashlight a success in Sweden   331.0 KB
Flat Rock, KY 1
1955 Much is new in signaling for 1955   826.7 KB
Flat Rock, MI 2
1959 AFO circuits protect crossing   554.0 KB
1946 DT&I Tests Radio   4.3 MB
Flint Belt 2
1915 New Interlockers on the Flint Belt Line   2.2 MB
1923 New Interlockers on the Flint Belt Line   1.6 MB
Flint, MI 3
1958 C&O Has Good Ideas in CTC   2.5 MB
1915 New Interlockers on the Flint Belt Line   2.2 MB
1923 New Interlockers on the Flint Belt Line   1.6 MB
Flinton, IL 2
1954 CTC Increases Capacity of Double Track   4.2 MB
1938 CTC on the Missouri Pacific   5.3 MB
Flomaton, AL 1
1962 News briefs. 1962-05   826.8 KB
flood detectors 4
1959 Fewer wayside observers makes automatic hazard detection necessary   1.1 MB
1950 Flood Detectors on the Katy   2.7 MB
1949 New Automatic Block on the Katy   4.7 MB
1958 RS&C 50th anniversary: Railroad communications ... from Morse to microwave   3.3 MB
flood protection 1
1947 CTC Down by the Ohio   2.7 MB
flooding 7
1936 Boston & Maine Flooded Signaling Rehabilitated   8.3 MB
1936 Flood Damage to Signaling   5.0 MB
1918 Maintaining an Interlocking Plant at High Tide   241.8 KB
1937 Ohio Flood Damages Signaling   9.7 MB
1936 Railroads Clean Up After Flood Waters   33.3 MB
1937 Rectifiers in Flood Waters   972.4 KB
1937 Rehabilitating Flooded Signaling   1.4 MB
Floral Park, NY 1
1952 Speed Control Installed on the Long Island   1.3 MB
Florence, Italy 1
1947 Signaling and Interlocking in Italy   684.8 KB
Florence, SC 3
1963 News briefs. 1963-01   951.3 KB
1964 News briefs. 1964-05   1.0 MB
1964 News briefs. 1964-10   768.6 KB
Florida East Coast 19
1935 Accident at Drawbridge   1.4 MB
1932 Crossing Problem   2.6 MB
1930 Directional Approach Lighting   449.8 KB
1932 False Change of Lineup   850.0 KB
1921 New Interlockings at Jacksonville Terminal   3.4 MB
1960 News briefs. 1960-08   603.8 KB
1962 News briefs. 1962-02   1.4 MB
1962 News briefs. 1962-09   829.8 KB
1963 News briefs. 1963-11   1.4 MB
1964 News briefs. 1964-07   833.0 KB
1964 News briefs. 1964-08   811.5 KB
1964 News briefs. 1964-12   981.5 KB
1965 News briefs. 1965-07   788.2 KB
1965 News briefs. 1965-10   1.1 MB
1927 Should Track Circuit Polarities be Staggered?   1.5 MB
1935 Signaling for Higher Train Speeds   3.0 MB
1947 Territories Involved in the ICC Signaling Order   388.2 KB
1930 What Protection at Drawbridges?   3.5 MB
1960 What’s the answer? Automatic OS   354.1 KB
flow charts 1
1961 Digital Computer Simulates CTC Dispatcher   2.8 MB
FN-16 flasher relay 2
1939 An Improved Flasher Relay   1.8 MB
1937 New Devices- March 1937   18.1 MB
FN-16A relay 1
1947 Flasher Relay   1.3 MB
Fogg, IN 1
1941 Monon Changes Approved   760.8 KB
Foleyet, Ontario 2
1953 Canadian National Adapts CTC to Traffic of 12 Trains Daily   7.5 MB
1959 Pushbutton console for CTC   785.3 KB
Folsom Place, WI 1
1935 New Signaling on the Route of the C&NW "400"   9.6 MB
Fond du Lac, WI 2
1964 News briefs. 1964-02   981.5 KB
1965 News briefs. 1965-05   1.4 MB
Fonda, NY 1
1958 RS&C 50th anniversary: Railroad communications ... from Morse to microwave   3.3 MB
forced-drop lever locks 1
1936 Lost Motion in Locking   3.0 MB
Ford Street, Chicago, IL 1
1924 New Interlocking Construction Ideas   3.4 MB
Forelle, WY 1
1955 CTC and cab signaling on Union Pacific   789.5 KB
Foremost, GA 1
1958 Special combinations of single-track and two-track replace double track on the Southern   960.9 KB
Forest Park, IL 1
1911 Automatic Signals on the Chicago Great Western   7.4 MB
Forest, VA 1
1941 CTC Installed on Norfolk & Western   5.1 MB
Form 19 order 1
1923 Superintendents Discuss Form "19"   2.0 MB
Forrestville, GA 1
1965 News briefs. 1965-08   742.1 KB
Forsyth, GA 1
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
Fort Dodge, IA 3
1933 Automatic Interlocking in Train Control Territory   2.3 MB
1926 Illinois Central Continuous Train Stop Approved Without Major Exceptions   1.1 MB
1926 Train Stop Without Permissive Wayside Signals Used on IC   3.5 MB
Fort Street Union Depot, Detroit, MI 2
1955 Crossing protection for 16 streets   371.1 KB
1955 Interlocking Expedites Terminal Moves   1.6 MB
Foster, IL 1
1960 News briefs. 1960-10   1.8 MB
Foster, OH 1
1929 Pennsylvania Installs APB Signaling on 86 Miles   3.7 MB
Fostoria, OH 3
1928 Dispatcher Signaling System Operates Through Sleet Storm   1.1 MB
1927 NYC First to Install Complete Train Dispatching System   8.0 MB
1950 NYC Installs Big NX Plant at Fostoria, Ohio   3.9 MB
four-aspect signaling 1
1954 New Wayside and Cab Signaling   753.2 KB
four-block signaling 1
1937 Report of Committee X – Signaling Practice   2.9 MB
four-indication signaling 1
1939 Problems of Four-Indication Signaling   1.6 MB
Fourteenth St. Yard, Chicago, IL 1
1947 Burlington Uses Radio on Switchers   909.1 KB
Fox Chase, PA 1
1965 News briefs. 1965-11   1.2 MB
Fox Jct., CO 1
1950 CTC Extended on the Rio Grande   4.4 MB
Fox Lake, IL 2
1930 Color-light Automatic Block Signals and Automatic Interlocking   2.4 MB
1949 Milwaukee Installs Automatic Block   8.2 MB
Framingham, MA 2
1962 News briefs. 1962-11   468.1 KB
1954 NYC Combines Interlockings   2.4 MB
France 6
1922 An Old Electric Interlocking in France   1.3 MB
1923 Automatics on Paris Grande Ceinture   5.0 MB
1924 Electric Interlockings On the French Northern   4.4 MB
1931 French Railways Adopt Color-Light Signals   1.3 MB
1960 Remote control train: Successful tests in France   209.9 KB
1924 Three-Indication Distant Signals on Alsace-Lorraine Railways   2.7 MB
Francis, MO 1
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
Frank Rhea 1
1941 Frank Rhea (obituary)   1.0 MB
Franklin Avenue, Brooklyn, NY 1
1923 BRT Automatic Interlocking   1.9 MB
Franklin Institute 1
1947 Medals Awarded by Franklin Institute   236.3 KB
Franklin Park, IL 1
1948 Gates at Three Crossings on Soo Line   1.8 MB
Franz, Ontario 1
1944 Canadian Pacific Installs Automatic Block Signaling   6.8 MB
Frazer, PA 1
1916 Some Examples of Early Signaling   351.5 KB
Fredericksburg, VA 2
1947 All-Relay Interlockings On the RF&P   1.3 MB
1947 Choice of Interlocking Control Machines   266.5 KB
Freeport, IL 2
1942 Automatic Signal Program on the Illinois Central   4.6 MB
1962 News briefs. 1962-02   1.4 MB
Freiberger, A. A. 1
1949 A. A. Freiberger   827.1 KB
freight houses 1
1950 Modern Communications In Yards and Terminals   1.4 MB
French National Railways 2
1962 Electronic Track Circuits   740.3 KB
1960 Remote control train: Successful tests in France   209.9 KB
French signaling 1
1924 Three-Indication Distant Signals on Alsace-Lorraine Railways   2.7 MB
French, NM 1
1946 ICC 50-MPH Signal Hearing   6.9 MB
Frenchtown, MT 4
1964 News briefs. 1964-02   981.5 KB
1965 News briefs. 1965-01   2.0 MB
1965 News briefs. 1965-07   788.2 KB
1965 News briefs. 1965-08   742.1 KB
Fresno, CA 10
1962 Automatic Dispatching   2.1 MB
1957 How to make non-stop meet with CTC   576.9 KB
1955 News briefs. 1955-08   830.4 KB
1960 News briefs. 1960-03   1.9 MB
1960 News briefs. 1960-05   1.0 MB
1962 News briefs. 1962-02   1.4 MB
1962 News briefs. 1962-10   461.7 KB
1962 News briefs. 1962-11   468.1 KB
1964 News briefs. 1964-04   1.3 MB
1926 Train Control Progress in 1925   3.1 MB
Fridley, MN 1
1965 Midwest RRs fight the weather   914.4 KB
Frontenac, FL 1
1962 News briefs. 1962-02   1.4 MB
Fruitvale, CA 1
1962 Remote Control Interlocking Has Time Division Multiplex System   846.3 KB
Ft. Basinger, FL 1
1963 News briefs. 1963-11   1.4 MB
Ft. Dodge, IA 1
1926 Train Control Progress in 1925   3.1 MB
Ft. Edward, NY 1
1955 News briefs. 1955-08   830.4 KB
Ft. Francis, Ontario 1
1955 How CN increased track capacity   516.4 KB
Ft. Madison, IA 2
1927 Santa Fe Installs Low-Voltage Plant on New Mississippi Bridge   3.0 MB
1927 Santa Fe Is Operating Trains by Cab Signaling With Train Control   6.4 MB
Ft. Orange, FL 1
1964 News briefs. 1964-12   981.5 KB
Ft. Plain, NY 1
1951 New NYC Interlocking Controlled by Synchrostep   1.2 MB
Ft. Scott, KS 2
1955 CTC moves trains on grades   762.8 KB
1965 Merging divisions require changing circuits   339.6 KB
Ft. Smith, AR 1
1943 Junction and Crossing Included in Centralized Traffic Control On the Missouri Pacific   4.7 MB
Ft. Wayne, IN 6
1950 CTC on the Wabash   2.6 MB
1961 News briefs. 1961-11   1.3 MB
1965 News briefs. 1965-07   788.2 KB
1935 Respacing Automatics on the Pennsylvania   1.8 MB
1935 Signaling for Higher Train Speeds   3.0 MB
1926 Train Control Progress in 1925   3.1 MB
Ft. William, Ontario 1
1955 How CN increased track capacity   516.4 KB
Ft. Worth & Denver 1
1960 What’s the answer? Automatic OS   354.1 KB
Ft. Worth & Denver City 3
1950 Grade Signal Controls   2.1 MB
1936 Reconstruction of Interlocking at the Dallas Union Terminal   14.8 MB
1947 Territories Involved in the ICC Signaling Order   388.2 KB
Ft. Worth, TX 4
1935 Centralized Traffic Control on the Texas & Pacific   5.1 MB
1960 News briefs. 1960-03   1.9 MB
1955 Santa Fe installs CTC on single track   610.2 KB
1960 T&P moves CTC machine 78 miles   423.0 KB
Fullerton, CA 1
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
Fulton Street extension, New York, NY 1
1949 Signaling and Interlocking On New Line of New York Subways   6.5 MB
Fulton Street Line, Brooklyn, NY 1
1923 BRT Automatic Interlocking   1.9 MB
Fulton, KY 6
1953 IC Installs Automatic Block   4.0 MB
1960 News briefs. 1960-05   1.0 MB
1960 News briefs. 1960-09   756.9 KB
1960 News briefs. 1960-10   1.8 MB
1961 News briefs. 1961-06   725.8 KB
1961 News briefs. 1961-11   1.3 MB
fundamental practices 2
1913 Settled at Last   824.8 KB
1935 The Rudd-Rhea Signaling Report of the Pennsylvania   9.7 MB
Funston, CO 1
1955 One CTC Machine Replaces Three   451.9 KB
fusees 1
1937 Flag and Torpedo Containers   903.1 KB

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