Railway Signaling: G

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G-type non-vital relays 1
1962 Automatic Dispatching   2.1 MB
Gainesville, TX 1
1922 Signal Construction on the Santa Fe   797.6 KB
Gale, IL 1
1954 CTC Increases Capacity of Double Track   4.2 MB
Galesburg, IL 8
1928 Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
1932 Burlington's Reconstruction Program at Galesburg Involves Modern Interlocking Plants   2.6 MB
1931 CB&Q Installs Electric Interlockinig   3.3 MB
1926 Directing Trains By Signals   1.9 MB
1964 News Briefs. 1964-02   997.7 KB
1964 News Briefs. 1964-07   849.5 KB
1964 News Briefs. 1964-11   791.4 KB
1965 News Briefs. 1965-01   2.0 MB
Gallatin, MO 1
1944 Head-End Collision in Manual Block   874.3 KB
Gallatin, TN 1
1962 News Briefs. 1962-10   457.3 KB
Galveston, Harrisburg & San Antonio 1
1925 The Train Control Situation   853.0 KB
gap fillers 1
1961 News Briefs. 1961-07   654.1 KB
Gardnerville, MO 1
1940 New Signaling on the Wabash   8.1 MB
Garrison, MT 1
1911 Automatic Signals on the Northern Pacific   7.2 MB
Gary, IN 8
1929 Automatic Gauntlet Signals Installed on the South Shore   1.9 MB
1947 Crossing Protection in Gary, Indiana   1.6 MB
1947 Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
1962 EJ&E Uses Tone Coding to Get Systems on One RF Channel   562.3 KB
1953 Electronics at Work in EJ&E Yard   7.8 MB
1947 Highway Crossing Protection Installed by Several Railroads in Gary, IndianaR   1.2 MB
1955 Much is new in signaling for 1955   826.7 KB
1928 South Shore Line Uses Spring Switches on Heavy Traffic Lines   1.4 MB
Gasconade, MO 1
1939 Drag Detectors Protect Bridges   3.2 MB
Gaston Jct., WV 1
1965 B&O would have used radio orders   573.9 KB
Gastonia, NC 1
1965 News Briefs. 1965-07   793.4 KB
gate arm stripe colors 2
1950 Gate-Arm Stripe Colors   1.1 MB
1950 Gate-Arm Stripe Colors   3.4 MB
Gateway Yard, E. St. Louis, IL 1
1964 News Briefs. 1964-02   997.7 KB
Gauley, WV 1
1921 A New Idea in Traffic Locking On the C&O   1.7 MB
Gault, P. M. 3
1935 Crossing Bells at Flasher Signals   1.9 MB
1941 P. M. Gault obituary   1.2 MB
1939 Speeding Up Train Operation With Signaling   4.5 MB
gauntlet track 2
1941 Automatics Installed on North Shore   1.6 MB
1937 Gauntlet Signals on the B&LE   7.1 MB
Gautier, MS 1
1964 News Briefs. 1964-08   827.3 KB
Gays, IL 1
1951 Single-Track With CTC Handles 40 Trains Daily   530.8 KB
GB Cabin, OH 1
1950 Remote Control of Center Sidings On Busy Double-Track Line   3.6 MB
General Electric 6
1963 Automated Rail Transit Discussed by IEEE-ASME   315.3 KB
1911 Automatic Signals on the Chicago Great Western   7.4 MB
1964 News Briefs. 1964-04   1.4 MB
1935 Signal Night for New York Railroad Club   1.1 MB
1935 Signal Transformers   2.2 MB
1962 Toronto Railway Conference – Automatic Train Operation   457.7 KB
General Railway Signal 223
1951 "Central" Increases Safety at Highway Crossings in Dayton   1.0 MB
1916 A New York Central Plant in Chicago   590.7 KB
1919 A Peculiar Accident   251.7 KB
1935 Advantages of Modern Relays   4.0 MB
1956 Aligning Searchlight Signal   1.1 MB
1936 Alining Signals on Curves   3.7 MB
1914 All Electric Interlocking at Joliet   1.5 MB
1936 All-Relay Interlocking On NYC at Syracuse   29.7 MB
1947 All-Relay Interlocking Replaces Mechanical Plant   1.5 MB
1947 All-Relay Plant on the C&EI at Danville, Ill   915.6 KB
1929 An Electric Lock for Mechanical Levers   999.0 KB
1937 APB, Remote Control, and CTC on the Baltimore & Ohio   11.9 MB
1934 Application of the Retained-Neutral Relay   842.8 KB
1955 At Portland Terminal, combined interlocking   810.6 KB
1951 Automatic Block Without Line Wires on the Kansas City Southern   723.0 KB
1933 Automatic Dwarfs?   717.9 KB
1962 Automatic Freight Train is Crewless   1.1 MB
1932 Automatic Interlocking Protects End of Double Track   2.7 MB
1947 Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
1911 Automatic Signals on the Northern Pacific   7.2 MB
1911 Automatic Signals on the Northern Pacific   6.3 MB
1950 B&O Installs All-Relay Plant   2.6 MB
1951 B&O Installs Modern Interlocking   871.3 KB
1950 Big NX Interlocking at Atlanta   6.3 MB
1947 Burlington Concentrates CTC Control at Division Headquarters   840.8 KB
1956 Burlington Has Compact Control Machine for Consolidation of 14 Interlockings   11.3 MB
1951 Burlington Installs Extensive Interlocking at Kansas City   1.0 MB
1951 Burlington Simplifies CTC for Light-Traffic Single Track   1.7 MB
1958 C&O Has Good Ideas in CTC   2.5 MB
1951 Cab signal system   455.8 KB
1951 Canadian National Installs Centralized Traffic Control On a 117-Mile Sub-Division   501.4 KB
1947 Canadian Pacific Installs Absolute Permissive Block   774.8 KB
1944 Canadian Pacific Installs Automatic Block Signaling   6.8 MB
1943 Centralized Traffic Control Installed on 39 Miles of the Burlington   6.1 MB
1943 Centralized Traffic Control Installed on the Virginian   7.0 MB
1935 Centralized Traffic Control on the Texas & Pacific   5.1 MB
1928 Changes on the C&NW   978.4 KB
1928 Circuit Polarity at Relay Contacts   526.2 KB
1936 Coded Track Circuit   4.1 MB
1940 Coded Track Control   2.5 MB
1925 Color-Light Signals on C&NW   6.9 MB
1940 Controller Adjuster   1.3 MB
1955 Crossing gate protection with indicators for train movements   432.4 KB
1935 Crossing Signals on the Southern   1.4 MB
1948 CTC Big Help to GM&O   1.7 MB
1947 CTC Down by the Ohio   2.7 MB
1950 CTC Extended on the Rio Grande   4.4 MB
1954 CTC Increases Capacity of Double Track   4.2 MB
1954 CTC Moves Heavy Trains   4.1 MB
1955 CTC moves trains on grades   762.8 KB
1943 CTC on 107 Miles of Single-Track on the Rio Grande   9.7 MB
1944 CTC On 185 Miles on Canadian National   12.3 MB
1955 CTC on single and double track   406.8 KB
1937 CTC On the Denver & Rio Grande Western   8.0 MB
1950 CTC on the Reading   6.6 MB
1952 CTC Pays Its Way on B&O   733.2 KB
1955 CTC Saves Time for Freights On 135 Miles of Single Track   4.0 MB
1939 DC Time Element Relay   1.9 MB
1950 Double to Single Track with Remote Control   4.2 MB
1947 Drawbridge Interlocking on the Elgin, Joliet & Eastern   647.3 KB
1937 Drawings of Relay and Junction Box Details   1.0 MB
1962 Dynamic Indication   211.7 KB
1910 Electric Drawbridge Interlocking   1.2 MB
1915 Electric Interlocking at Aulon, Tennessee   882.6 KB
1919 Electric Interlocking at Charlottesville,VA   530.2 KB
1915 Electric Interlocking at Davis, Illinois   241.3 KB
1943 Electric Interlocking Installed On IC   12.8 MB
1954 Electric Interlocking on the Rio Grande   3.4 MB
1915 Electric Interlockings in Australia   3.9 MB
1949 Entrance-Exit Interlocking Installed on Missouri Pacific   3.0 MB
1940 Facing Point Lock for Spring Switches   1.2 MB
1948 Gates at Three Crossings on Soo Line   1.8 MB
1915 General Railway Signal Company and Federal Signal Company Consolidated   986.1 KB
1954 General Railway Signal Company Enters Fiftieth Year   1.6 MB
1935 Ground Detector Relay for Instantaneous and Automatic Detection   2.3 MB
1923 GRS Automatic Train Control   4.1 MB
1927 GRS Type K Direct Current Relay   388.0 KB
1947 Highway Crossing Protection Installed by Several Railroads in Gary, IndianaR   1.2 MB
1947 Hoosac Tunnel Interlocking and CTC   1.7 MB
1955 How CN increased track capacity   516.4 KB
1954 IC Combines Interlockings   1.5 MB
1925 IC Markham contracts: News of the Month (June 1925)   579.3 KB
1955 Improved protection at seven crossings   309.9 KB
1937 Interlocking and Signaling For New Bridge at New Orleans   5.9 MB
1956 Interlocking Consolidation: Three Into One in Baltimore   6.8 MB
1911 Interlocking on the North Western Terminal   7.6 MB
1964 Interlocking: New Solid State Coding System Is Fast   1.7 MB
1940 Interlockings Installed at Two Crossings   6.5 MB
1965 Japan, Sweden, England test ATO   6.3 MB
1944 L&N Installs CTC On an Engine District   9.0 MB
1947 Large All-Relay Interlocking on the New York Central   2.5 MB
1924 Low-Voltage Interlocking on C&NW   1.6 MB
1947 Magnetic-Stick Relays   1.0 MB
1910 Main Street Tower on the Chicago & North Western at Evanston, IL   666.9 KB
1947 Medals Awarded by Franklin Institute   236.3 KB
1927 Michigan Central Train Control Approved   800.8 KB
1939 Mission Tower Interlocking at Los Angeles   9.2 MB
1947 Modern Interlocking Applied to Ore Transportation   1.1 MB
1949 Modern Signaling on a Division   6.6 MB
1943 Modernization of Automatic Signaling On the New York Central   9.8 MB
1947 More CTC on the Burlington   2.0 MB
1954 Motor Car Indicator   813.5 KB
1911 New 400-Lever Interlocking Machine   3.7 MB
1955 New Cleveland Transit System   911.5 KB
1922 New Desk-Type Circuit Controller   1.6 MB
1937 New Devices- March 1937   18.1 MB
1936 New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans   7.9 MB
1949 New Interlocking at Chattanooga Terminal   5.2 MB
1924 New Interlocking Construction Ideas   3.4 MB
1951 New Interlocking in Holland   1.0 MB
1949 New Interlocking in Louisville   5.3 MB
1940 New Interlockings at Windsor, Ont. On the Michigan Central   14.1 MB
1918 New Mechanical Plant on Chicago & Alton   702.8 KB
1951 New NYC Interlocking Controlled by Synchrostep   1.2 MB
1954 New Orleans Passenger Terminal   4.7 MB
1917 New Plant in Chicago Terminal District   591.7 KB
1940 New Searchlight Signal   2.7 MB
1948 New Signaling In Texas on Missouri Pacific Lines   1.8 MB
1935 New Signaling on the Boston & Maine   9.9 MB
1935 New Signaling on the Route of the C&NW "400"   9.6 MB
1927 New Triangular Signal Unit Produced by GRS Co   464.4 KB
1935 New York Central Extends South Bend Interlocking   6.0 MB
1937 New York Central Installs First Button-Control Route Interlocking   9.0 MB
1949 New York Central Installs Interlocking   3.3 MB
1944 New York Central Installs NX Interlocking at Utica   5.7 MB
1936 New York Central Interlocking at Syracuse   15.9 MB
1944 New York Central Modernizes an Interlocking   5.0 MB
1955 New York Central’s CTC – It’s Four Tracks to Two   4.1 MB
1955 News Briefs. 1955-08   801.6 KB
1961 News Briefs. 1961-01   755.2 KB
1961 News Briefs. 1961-03   1.0 MB
1961 News Briefs. 1961-04   1.5 MB
1961 News Briefs. 1961-07   654.1 KB
1961 News Briefs. 1961-09   881.9 KB
1961 News Briefs. 1961-11   1.3 MB
1962 News Briefs. 1962-01   979.5 KB
1962 News Briefs. 1962-02   1.4 MB
1962 News Briefs. 1962-03   1.1 MB
1962 News Briefs. 1962-06   980.1 KB
1962 News Briefs. 1962-07   509.0 KB
1962 News Briefs. 1962-09   835.6 KB
1963 News Briefs. 1963-01   971.6 KB
1963 News Briefs. 1963-02   1.3 MB
1963 News Briefs. 1963-03   830.1 KB
1963 News Briefs. 1963-06   973.6 KB
1963 News Briefs. 1963-10   518.0 KB
1964 News Briefs. 1964-02   997.7 KB
1964 News Briefs. 1964-04   1.4 MB
1964 News Briefs. 1964-06   820.5 KB
1964 News Briefs. 1964-07   849.5 KB
1964 News Briefs. 1964-08   827.3 KB
1964 News Briefs. 1964-09   899.1 KB
1964 News Briefs. 1964-11   791.4 KB
1964 News Briefs. 1964-12   998.6 KB
1965 News Briefs. 1965-01   2.0 MB
1965 News Briefs. 1965-04   1.5 MB
1965 News Briefs. 1965-06   1.2 MB
1965 News Briefs. 1965-07   793.4 KB
1965 News Briefs. 1965-10   1.1 MB
1965 News Briefs. 1965-11   1.2 MB
1965 News Briefs. 1965-12   618.4 KB
1956 NX Control Replaces Lever Machine   2.8 MB
1936 NX Electric Interlocking   3.8 MB
1954 NYC Combines Interlockings   2.4 MB
1927 NYC First to Install Complete Train Dispatching System   8.0 MB
1936 NYC Modernizes Electric Interlocking   9.0 MB
1964 NYC Moves CTC Point of Control   1.2 MB
1951 On the Baltimore & Ohio New Interlocking Speeds Trains   641.0 KB
1955 One CTC Machine Replaces Three   451.9 KB
1961 Overlay Circuit Reduces Joints   306.6 KB
1951 P&LE Rebuilds Interlocking   957.2 KB
1936 Phantom Indications   1.8 MB
1951 Portland Terminal Solves Crossing Protection Problem   676.8 KB
1935 Power Transfer Relay   1.3 MB
1957 Pushbutton CTC Machine on NYC Is First of Its Kind   3.3 MB
1915 Putting a GRS Interlocking Plant in Service   301.9 KB
1954 Quebec, North Shore & Labrador   7.8 MB
1961 Railroad Will Pay For CTC Out Of Accrued Savings   842.9 KB
1920 Relation of Insulated Joint to Track Circuit   2.5 MB
1937 Remote Control By Code   7.0 MB
1955 Remote Control Eliminates Train Stops   1.3 MB
1944 Remote Control Interlocking on the D&RGW   4.3 MB
1953 Remote Control Interlockings Improve Terminal Operation   555.6 KB
1947 Remote Control on Baltimore & Ohio   595.8 KB
1944 Remote Control Project Saves Train Time on the Baltimore & Ohio   3.5 MB
1944 Rio Grande has Longest CTC   9.2 MB
1940 Route Type Interlocking at Tower Grove in St. Louis   11.1 MB
1939 Safety and Design of Signal Circuits   5.0 MB
1936 Semaphore Type Crossing Gate Developed on the Alton   8.3 MB
1916 Service Record of Position-Light Signals   580.8 KB
1949 Signal Research and Development   2.9 MB
1911 Signaling and Interlocking on the North Western Terminal in Chicago   1.1 MB
1925 Signaling at the Age of Maturity   2.0 MB
1937 Signaling Eliminates Platform Maintenance   3.9 MB
1947 Signals and Slide Fences on the Spokane, Portland & Seattle   1.8 MB
1944 Signals Direct Trains at Junction On the Denver & Rio Grande Western and the Denver & Salt Lake   2.8 MB
1951 Simple Interlocking Saves Many Train Stops   364.8 KB
1951 Single-Track With CTC Handles 40 Trains Daily   530.8 KB
1935 Snubbing Rectifier for 2A Signal   1.9 MB
1952 Soo Line Completes Signaling on 260 Miles of Single Track   737.7 KB
1951 Special Protection Problems Solved With Gates and Flashers   1.5 MB
1934 Spring Derail for Drawbridge Protection   535.0 KB
1951 Street and Railroad Crossing Protection Combined   529.9 KB
1930 Table Interlocker with Vertical Locking   467.4 KB
1949 Texas & Pacific New All-Relay Interlocking   4.3 MB
1911 The Absolute Permissive System   6.7 MB
1911 The Absolute Permissive System   881.6 KB
1911 The Newest Terminal Interlocking   613.9 KB
1955 The Reading has compact control machine for consolidated interlocking   511.5 KB
1924 Three Train Control Contracts Let   1.9 MB
1931 Three-Track Signaling on 13.5 Miles of the C&NW   5.4 MB
1962 Toronto Railway Conference – Automatic Train Operation   457.7 KB
1937 Track Shunting Problems   2.5 MB
1936 Train Control on the B&O Diesel   2.6 MB
1922 Train Control on the C&NW   824.8 KB
1926 Train Control Progress in 1925   3.1 MB
1928 Train Order Indicators Used Successfully on the CI&L   604.3 KB
1961 Type SA-1 Searchlight Signal   193.7 KB
1954 Unique Combinations of Single-Track and Two-Track Developed on the Southern   3.8 MB
1915 Victoria Jubilee Bridge Protection   570.0 KB
1957 Where Two Tracks Do the Work of Four   3.2 MB
1936 Wilmer W. Salmon, President of General Railway Signal Company, Dies   2.8 MB
1955 Yard operations improved by new interlocking and car retarders   621.2 KB
General Railway SIgnal 1
1964 News Briefs. 1964-09   899.1 KB
Geneva, IL 1
1950 Longest Continuous Double-Track CTC Is on North Western   5.1 MB
Gentry, AR 1
1961 News Briefs. 1961-02   1.4 MB
Georgia 1
1947 Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Georgia Southern & Florida 1
1921 New Interlockings at Jacksonville Terminal   3.4 MB
Georgiana, AL 2
1962 News Briefs. 1962-05   831.1 KB
1965 News Briefs. 1965-05   1.4 MB
Gerlach, NV 1
1950 Modern Signaling Systems On Western Pacific   16.1 MB
German signaling 1
1924 Three-Indication Distant Signals on Alsace-Lorraine Railways   2.7 MB
Germany 1
1924 Three-Indication Distant Signals on Alsace-Lorraine Railways   2.7 MB
Giard, MN 1
1940 New Automatic Block Signaling on the Milwaukee   6.3 MB
Gibbs, IL 1
1929 Centralized Control Used for Ends of Double Track   2.1 MB
Gibson City, IL 1
1921 Educational Meetings On the Illinois Central   616.5 KB
Gibson, IN 2
1949 A Mile-Stone In Signaling   1.2 MB
1928 Electric Interlocker and Switch Control Speeds Up Yard Operation   2.4 MB
Gilbert, WV 1
1964 News Briefs. 1964-02   997.7 KB
Gilkeson, WV 1
1932 Centralized Traffic Control Installed on the Baltimore & Ohio   4.3 MB
Gilman, IL 8
1952 Double-Track CTC on Illinois Central   759.7 KB
1930 Interlockers Replaced by Centralized Traffic Control on the Illinois Central   1.8 MB
1963 News Briefs. 1963-03   830.1 KB
1964 News Briefs. 1964-02   997.7 KB
1965 News Briefs. 1965-01   2.0 MB
1923 News of the Month (July 1923)   1.9 MB
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
1925 Signaling Two Tracks to Capacity   2.8 MB
Gilmore Jct., NE 1
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
Gilmore, Omaha, NE 1
1965 News Briefs. 1965-01   2.0 MB
Girard Jct., PA 4
1937 New York Central Installs First Button-Control Route Interlocking   9.0 MB
1955 New York Central’s CTC – It’s Four Tracks to Two   4.1 MB
1955 News Briefs. 1955-08   801.6 KB
1957 Where Two Tracks Do the Work of Four   3.2 MB
Girard, IL 1
1962 News Briefs. 1962-02   1.4 MB
Gise, NM 1
1922 Signal Construction on the Santa Fe   797.6 KB
Gladbrook, IA 1
1918 Maintaining an Interlocking Plant at High Tide   241.8 KB
Gladstone, NJ 1
1931 The Signaling of the Lackawanna Electrified Territory   5.9 MB
Glass Library and Museum 1
1951 Glass Library and Museum   319.8 KB
Gleichen, Alberta 1
1964 News Briefs. 1964-10   778.4 KB
Glen Carbon, IL 1
1937 Automatic Signals on Litchfield & Madison   3.5 MB
Glen Echo, OH 1
1965 News Briefs. 1965-10   1.1 MB
Glen Lyn, VA 1
1961 News Briefs. 1961-04   1.5 MB
Glencoe, IL 1
1941 Automatics Installed on North Shore   1.6 MB
Glendive, MT 3
1961 News Briefs. 1961-02   1.4 MB
1961 News Briefs. 1961-07   654.1 KB
1963 News Briefs. 1963-06   973.6 KB
Glenwood Springs, CO 1
1944 Rio Grande has Longest CTC   9.2 MB
Glenwood, MN 1
1955 Remote Control Eliminates Train Stops   1.3 MB
GN Cabin, OH 1
1950 Remote Control of Center Sidings On Busy Double-Track Line   3.6 MB
Godfrey, IL 2
1941 Interlocking and Automatic Signals on the Alton   3.0 MB
1965 News Briefs. 1965-04   1.5 MB
Gold Run, CA 1
1964 News Briefs. 1964-07   849.5 KB
Golden, BC 1
1965 News Briefs. 1965-01   2.0 MB
Gordonsville, VA 3
1928 C&O Signaling and Train Control Facilitate Operation   4.1 MB
1941 Centralized Traffic Control On the Chesapeake & Ohio   7.1 MB
1926 Train Control Progress in 1925   3.1 MB
Government Bridge, Rock Island, IL 1
1916 Government Drawbridge Signaling   670.2 KB
government subsidies 1
1931 Competition   774.2 KB
Grabill, IN 1
1950 CTC on the Wabash   2.6 MB
Graces, AL 1
1962 News Briefs. 1962-10   457.3 KB
grade crossing predictors 5
1964 Gate Control is by GCPs   1.4 MB
1965 GCPs can be used for various types of grade crossings   374.6 KB
1965 News Briefs. 1965-01   2.0 MB
1965 News Briefs. 1965-07   793.4 KB
1963 Theory and Operation of Grade Crossing Predictor is Explained   840.9 KB
grade separation 2
1910 Main Street Tower on the Chicago & North Western at Evanston, IL   666.9 KB
1917 Rock Island Signaling on the Chicago Terminal   1.2 MB
grade signals 2
1950 Grade Signal Controls   2.1 MB
1941 Non-Stop Permissive Signals   1.4 MB
grade time control 1
1952 Chicago's Newest Subway Has Automatic Block Signaling and Train Stop   1.1 MB
grade time signals 2
1944 Automatic Signaling, Train Stop, and Route Interlocking Installed in the Chicago Subways   8.6 MB
1949 Signaling and Interlocking On New Line of New York Subways   6.5 MB
Grafton, WV 4
1965 B&O would have used radio orders   573.9 KB
1952 CTC Pays Its Way on B&O   733.2 KB
1951 More Signal Construction in 1950   1.0 MB
1929 Trains on Baltimore & Ohio Operate by Signal Indication Over Single-Track Lines   2.7 MB
Graham (Galesburg, IL) 1
1932 Burlington's Reconstruction Program at Galesburg Involves Modern Interlocking Plants   2.6 MB
Grand Ave., St. Louis, MO 1
1956 NX Control Replaces Lever Machine   2.8 MB
Grand Blanc, MI 1
1958 C&O Has Good Ideas in CTC   2.5 MB
Grand Central Terminal 7
1925 Duplex Signaling of Fourth Track Solves Grand Central Problem   1.1 MB
1921 Fire Threatened Tie Up At Grand Central Terminal   1.5 MB
1943 Herbert S. Balliet obituary   609.4 KB
1927 Maintenance of Interlockings in the Grand Central Terminal   2.8 MB
1935 Multiple-Block Signaling   7.0 MB
1911 New 400-Lever Interlocking Machine   3.7 MB
1911 The Newest Terminal Interlocking   613.9 KB
Grand Central Terminal, New York, NY 1
1961 News Briefs. 1961-11   1.3 MB
Grand Central, New York, NY 1
1964 Eight cities test automatic train operation   1.1 MB
Grand Central-Times Square, New York, NY 1
1963 Automated Rail Transit Discussed by IEEE-ASME   315.3 KB
Grand Island, NE 1
1951 More Signal Construction in 1950   1.0 MB
Grand Junction, CO 3
1943 CTC on 107 Miles of Single-Track on the Rio Grande   9.7 MB
1955 One CTC Machine Replaces Three   451.9 KB
1944 Rio Grande has Longest CTC   9.2 MB
Grand Prairie, TX 1
1935 Centralized Traffic Control on the Texas & Pacific   5.1 MB
Grand Rapids, MI 2
1954 Loudspeakers and Interlocking Improve Yard Operation   4.7 MB
1949 Modern Signaling on a Division   6.6 MB
Grand Trunk 4
1908 A New 10,000 Line Telephone Exchange for Paris, France   2.2 MB
1910 Electric Interlocking at Griffith, Indiana   964.1 KB
1915 New Interlockers on the Flint Belt Line   2.2 MB
1915 Victoria Jubilee Bridge Protection   570.0 KB
Grand Trunk Western 20
1927 Additional Solutions to Call-On Signal Circuit Problem   2.8 MB
1937 Approach Locking on Dwarf Signals   1.2 MB
1934 CTC Replaces Staff on GTW   2.6 MB
1908 Electro-Pneumatic Interlocking Plant On the Chicago & Western Indiana Railroad at 47th Street, Chicago   3.9 MB
1950 Gate-Arm Stripe Colors   3.4 MB
1953 Grand Trunk Installs CTC on 37 Miles of Busy Single Track   3.5 MB
1940 Interlockings Installed at Two Crossings   6.5 MB
1952 Interlockings Modernized at Three Railroad Crossings   974.7 KB
1916 New Automatic Signals on Grand Trunk   997.0 KB
1923 New Interlockers on the Flint Belt Line   1.6 MB
1935 New York Central Extends South Bend Interlocking   6.0 MB
1961 News Briefs. 1961-10   1.0 MB
1964 News Briefs. 1964-04   1.4 MB
1931 Oil or Electric Switch Lamps?   1.8 MB
1949 Protection at All Crossings In Battle Creek on the Grand Trunk Western   6.6 MB
1937 Signaling Eliminates Platform Maintenance   3.9 MB
1929 Simplified Electric Interlocking Plant on Michigan Central.pdf   3.6 MB
1947 Territories Involved in the ICC Signaling Order   399.0 KB
1939 Today's Crossing Protection Problem   1.8 MB
1937 Warning Time With Crossing Gates   1.3 MB
Grande Ceinture, Paris, France 1
1923 Automatics on Paris Grande Ceinture   5.0 MB
Grandview Yard, Columbus, OH 1
1965 PRR upgrades yard, improves service   1.2 MB
Grandville, MI 1
1945 CTC Solves Operating Problems On the Pere Marquette   4.3 MB
Granger, WY 1
1955 News Briefs. 1955-08   801.6 KB
Granite, WY 1
1955 CTC and cab signaling on Union Pacific   789.5 KB
Grant, UT 1
1954 Electric Interlocking on the Rio Grande   3.4 MB
graphic train charts 1
1937 Track Occupancy Indications in CTC Territory   2.7 MB
Gratiot St., St. Louis, MO 2
1956 Crossing Protection In Industrial Area   3.1 MB
1908 Interlocking Facilities of the St. Louis Terminal Railroad Assn. of St. Louis   7.2 MB
Gravenhurst, Ontario 1
1963 News Briefs. 1963-03   830.1 KB
Grays Lake, IL 1
1930 Color-light Automatic Block Signals and Automatic Interlocking   2.4 MB
Great Britain 7
1931 Automatic Train Control on Great Western of England   1.7 MB
1931 British Report on Automatic Train Control   2.6 MB
1922 British Report on Light Signals   449.7 KB
1961 News Briefs. 1961-06   718.3 KB
1934 Paddington Power Signaling   1.9 MB
1922 Train Control Approved by the British   7.0 MB
1941 War on the British Railways   986.3 KB
Great Lakes Steel 1
1963 News Briefs. 1963-05   742.2 KB
Great Northern 51
1921 Absolute Permissive Block Signal System   1.2 MB
1930 Approach-Lighting a Leaving Signal   1.0 MB
1926 Are Smash-Boards Necessary at Automatic Crossing Plants?   816.3 KB
1928 Arrangement of Color Light Units   816.2 KB
1932 Automatic Interlocking Protects End of Double Track   2.7 MB
1933 Automatic Operation   963.8 KB
1947 Automatic Signaling With Spring Switches Installed on the Great Northern   734.1 KB
1935 Checking Signal Lamps   3.3 MB
1956 Conelrad – A Civil Defense Measure … How Some Railroads are Participating   4.1 MB
1933 Control of Switch from Locomotive Cab   1.2 MB
1962 DM&IR Consolidates CTC Control Miles   384.7 KB
1915 Duluth Terminal Trestle Signaling   2.3 MB
1931 Efficiency Tests   1.9 MB
1928 Emergency Release Circuits   2.4 MB
1934 Ends of Double Track Equipped With Automatic Interlocking   987.5 KB
1935 FPL Adjustment on Spring Switches   1.3 MB
1963 GN Radio Works in Tunnel   1.1 MB
1928 GN Replaces Semaphores with Color Light Signals   1.2 MB
1955 How the Great Northern reduces accidents at highway crossings   425.6 KB
1947 ICC Holds Signal Hearing   507.5 KB
1935 Letter to the Editor- Crossing Protection Situation   2.7 MB
1925 Light Signals, Color, Position, or Color-Position   1.5 MB
1932 Location of Home Signals   853.4 KB
1955 Much is new in signaling for 1955   826.7 KB
1961 News Briefs. 1961-06   718.3 KB
1961 News Briefs. 1961-07   654.1 KB
1962 News Briefs. 1962-01   979.5 KB
1963 News Briefs. 1963-06   973.6 KB
1964 News Briefs. 1964-02   997.7 KB
1964 News Briefs. 1964-04   1.4 MB
1964 News Briefs. 1964-10   778.4 KB
1965 News Briefs. 1965-09   379.4 KB
1938 Obligation for Crossing Protection   1.0 MB
1927 Organization of Railroad Signal Departments   3.9 MB
1931 Precision-Base Lamps   1.4 MB
1921 Proposed Modification of Stop-and-Proceed Rule   1.4 MB
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
1933 Reducing Unnecessary Train Stops   2.5 MB
1933 Replacing Semaphores   997.0 KB
1925 Report on Economics of Signaling   606.1 KB
1937 Route Control Interlocking – A New Signaling Development   2.9 MB
1926 Semaphore or Light Signals?   1.8 MB
1935 Signaling at Spring Switches   2.6 MB
1936 Slide Detector Fences   4.3 MB
1932 Smashboard Mechanisms   1.7 MB
1937 Special Locking Release   2.4 MB
1947 Territories Involved in the ICC Signaling Order   399.0 KB
1925 The Train Control Situation   853.0 KB
1934 Use of Marker Lamps   516.1 KB
1956 When Dispatchers Move ... Carrier Saves Wire Pair   1.3 MB
1928 Why Markers for Automatic Signals?   494.6 KB
Great Western 3
1931 Automatic Train Control on Great Western of England   1.7 MB
1931 British Report on Automatic Train Control   2.6 MB
1934 Paddington Power Signaling   1.9 MB
Green Bay & Western 1
1965 Midwest RRs fight the weather   914.3 KB
Green Bay, WI 2
1929 C&NW Employs Centralized Control To Speed Up Trains   3.0 MB
1947 ICC Signal Hearings   179.7 KB
Green Island, IA 4
1927 Comparative Maintenance Costs of Signaling on the CM&StP   2.9 MB
1964 Milwaukee installs its first microwave   281.6 KB
1951 More Signal Construction in 1950   1.0 MB
1951 Single Track with CTC Replaces Double Track on Milwaukee   586.0 KB
Green Island, NY 1
1962 News Briefs. 1962-03   1.1 MB
Green River bridge 1
1965 News Briefs. 1965-01   2.0 MB
Green River drawbridge, KY 1
1964 News Briefs. 1964-10   778.4 KB
Green River, UT 1
1955 One CTC Machine Replaces Three   451.9 KB
Green's Farm, NY 1
1915 Extension of New Haven signals   684.8 KB
Greene Jct., PA 1
1955 Yard operations improved by new interlocking and car retarders   621.2 KB
Greenfield, MA 1
1962 News Briefs. 1962-02   1.4 MB
Greensboro, NC 1
1963 News Briefs. 1963-02   1.3 MB
Greensburg, IN 2
1929 Manual Block Signals Controlled Remotely on the Big Four   1.1 MB
1962 News Briefs. 1962-09   835.6 KB
Greenville, PA 1
1937 Gauntlet Signals on the B&LE   7.1 MB
Greenville, SC 2
1965 News Briefs. 1965-07   793.4 KB
1924 Three Train Control Contracts Let   1.9 MB
Greenwich, CT 1
1915 Extension of New Haven signals   684.8 KB
Greenwich, OH 1
1965 News Briefs. 1965-10   1.1 MB
Greenwood, NE 1
1955 CTC on single and double track   406.8 KB
Greenwood, SC 1
1961 News Briefs. 1961-04   1.5 MB
Gregory, MN 3
1964 News Briefs. 1964-01   555.4 KB
1964 News Briefs. 1964-02   997.7 KB
1964 News Briefs. 1964-07   849.5 KB
Gresham, Chicago, IL 3
1937 Automatic Gates on the Rock Island   7.3 MB
1938 Electric Switch Heaters at Rock Island Interlocking   1.8 MB
1953 Route Lever Interlocking on Rock Island   6.5 MB
Gretna, Scotland 2
1915 Rule 55 and the Gretna Accident   1.8 MB
1915 The Gretna Disaster   252.1 KB
Griffith, AZ 1
1922 Signal Construction on the Santa Fe   797.6 KB
Griffith, IN 3
1910 Electric Interlocking at Griffith, Indiana   964.1 KB
1963 News Briefs. 1963-05   742.2 KB
1932 The Erie Installs Either-Direction Signaling   1.6 MB
Grinnell, IA 1
1947 ICC Signal Hearings   179.7 KB
Griswold 1
1954 Automatic Gates Increase Safety   3.2 MB
Griswold Signal 8
1943 Crossing Protection on Milwaukee   5.7 MB
1948 Gates at Three Crossings on Soo Line   1.8 MB
1955 How the Great Northern reduces accidents at highway crossings   425.6 KB
1955 Improved protection at seven crossings   309.9 KB
1956 Plastic Track Model Is Big Picture for Levermen   1.4 MB
1927 Rotating Stop Signal for Highway Grade Crossings   1.0 MB
1952 Soo Line Completes Signaling on 260 Miles of Single Track   737.7 KB
1951 Special Protection Problems Solved With Gates and Flashers   1.5 MB
Grondahl, Lars O. 1
1947 Medals Awarded by Franklin Institute   236.3 KB
ground detector relay 1
1935 Ground Detector Relay for Instantaneous and Automatic Detection   2.3 MB
ground frame 1
1919 Block Signaling Practice on a British Railway (Part 3)   337.3 KB
ground tester 1
1941 Ground Tester   704.0 KB
grounds 1
1965 AAR and RLEA reply to RS&I exceptions   863.6 KB
Groveton, GA 1
1947 Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
GRS TrafficMaster 1
1956 Burlington Has Compact Control Machine for Consolidation of 14 Interlockings   11.3 MB
guides for success 1
1949 Yardsticks   2.0 MB
Gulf Coast Lines 1
1954 New Orleans Passenger Terminal   4.7 MB
Gulf, Colorado & Santa Fe 3
1954 CTC Improves Train Operation   3.3 MB
1934 Moving Interlocking Machines   1.1 MB
1936 Reconstruction of Interlocking at the Dallas Union Terminal   14.8 MB
Gulf, Mobile & Northern 1
1935 Safety of High Speed Trains   5.2 MB
Gulf, Mobile & Ohio 20
1947 Crossover protection on the GM&O   2.6 MB
1948 CTC Big Help to GM&O   1.7 MB
1950 Gulf, Mobile & Ohio Protects All Street Crossings in Springfield   2.6 MB
1955 Much is new in signaling for 1955   826.7 KB
1956 New Three-Track Interchange Includes Interlocking and Talk-Backs   8.9 MB
1955 News Briefs. 1955-08   801.6 KB
1961 News Briefs. 1961-05   1.1 MB
1962 News Briefs. 1962-02   1.4 MB
1962 News Briefs. 1962-08   685.4 KB
1962 News Briefs. 1962-09   835.6 KB
1963 News Briefs. 1963-06   973.6 KB
1963 News Briefs. 1963-11   1.4 MB
1964 News Briefs. 1964-02   997.7 KB
1965 News Briefs. 1965-01   2.0 MB
1965 News Briefs. 1965-04   1.5 MB
1965 News Briefs. 1965-10   1.1 MB
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
1961 Survey Tells How Railroads Use Hotbox Detectors   1.8 MB
1947 Territories Involved in the ICC Signaling Order   399.0 KB
1965 What's the Answer? 1965-07   629.7 KB
Gulfport, IL 1
1965 Midwest RRs fight the weather   914.3 KB
Guyandot, WV 1
1955 C&O Consolidates Interlockings   3.2 MB

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