Railway Signaling: W

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"W" indicators 1
1961 Trainmen Read Hotbox Locator   1.1 MB
Wabash 69
1927 Wabash Extending Color Light Signals to Increase Operating Efficiency   4.5 MB
1927 Additional Solutions to Call-On Signal Circuit Problem   2.8 MB
1947 All-Relay Plant on the C&EI at Danville, Ill   915.6 KB
1941 All-Relay Signal System Installed on Terminal Railroad of St. Louis   1.2 MB
1947 Annual Review and Outlook   425.1 KB
1950 Audible Warning Sounded When Dragging Equipment Detectors Operate   4.2 MB
1935 Automatic Interlocking on the Wabash   2.9 MB
1943 Automatic Signaling Installed On the Wabash   5.3 MB
1941 Automatics Installed on the Wabash   4.0 MB
1941 Belt Railway of Chicago Installs Interlocking   12.3 MB
1931 Centralized Traffic Control Installed on Wabash   5.6 MB
1931 Chicago & Illinois Midland Installs Electric Interlocking   2.5 MB
1928 Continued Activity and Development in Signaling   1.1 MB
1955 Crossing protection for 16 streets   371.1 KB
1950 CTC on the Wabash   2.6 MB
1933 Economics of Modern Signaling   2.1 MB
1908 Electro-Pneumatic Interlocking Plant On the Chicago & Western Indiana Railroad at 47th Street, Chicago   3.9 MB
1928 Emergency Release Circuits   2.4 MB
1929 Flashing-Light Crossing Signals Save Money for Wabash   1.9 MB
1940 Gates, Signals and Traffic Lights at a Wabash Crossing   6.8 MB
1944 Head-End Collision in Manual Block   874.3 KB
1947 Highway Crossing Protection Installed by Several Railroads in Gary, IndianaR   1.2 MB
1946 ICC Signaling Investigation   770.4 KB
1958 Interlocking saves time and money for the Belt Railway of Chicago   2.0 MB
1940 Interlockings Installed at Two Crossings   6.5 MB
1930 Is Indication Locking Needed?   479.0 KB
1930 Maintainers' Territories   1.3 MB
1945 Manual Block-Remote Control Developed On the Wabash   5.7 MB
1957 More automation for signaling in 1957   1.2 MB
1940 New Signaling on the Wabash   8.1 MB
1956 New Three-Track Interchange Includes Interlocking and Talk-Backs   8.9 MB
1955 News briefs. 1955-08   830.4 KB
1958 News briefs. 1958-01   1.8 MB
1959 News briefs. 1959-05   506.5 KB
1961 News briefs. 1961-10   1.0 MB
1961 News briefs. 1961-11   1.3 MB
1962 News briefs. 1962-10   461.7 KB
1963 News briefs. 1963-06   961.3 KB
1945 Not New But Different   600.3 KB
1956 NX Control Replaces Lever Machine   2.8 MB
1931 Preparation of Signal Circuit Plans   2.0 MB
1931 Protecting CTC Switches   2.9 MB
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
1958 RS&C 50th anniversary: Signaling ... manual to automatic   2.0 MB
1929 Secure New Ordinances for Changes in Crossing Protection   691.4 KB
1935 Semi-Automatic Interlocking at a Crossing on the Alton   4.4 MB
1927 Should Motor Car Operators Watch Signals More Carefully   1.2 MB
1928 Signal and Train Control Hearing Ends   2.0 MB
1934 Signal Aspects at an Automatic Interlocking Plant   1.2 MB
1937 Signal Construction on the Wabash   12.2 MB
1949 Signal Indications to Stop Trains When Dragging Equipment Detectors Operate   922.0 KB
1937 Signaling on the Wabash   3.7 MB
1958 Signaling to cut expenses in '58   411.4 KB
1940 Single-Track Signaling   2.5 MB
1936 Speed at Automatic Plants   4.9 MB
1957 Survey shows progress in signal education   330.6 KB
1937 Switch Protection in Automatic Territory   3.0 MB
1946 Too Many Yellows   1.2 MB
1932 Track Capacity   2.7 MB
1943 Track Circuit Numbers   2.2 MB
1942 Wabash Installs Automatics   5.8 MB
1940 Wabash Installs Gate and Signal Protection for All Crossings in Lafayette   4.9 MB
1951 Wabash Installs Yard Communication System   1.2 MB
1930 Wabash Tests Automatic Train Control with Cab-Lights   3.6 MB
1954 Wabash Yard Moves Expedited   1.2 MB
1946 War-Time Replacement of Interlocking on Pere Marquette   3.4 MB
1936 What Is the Capacity of a Single-Track Line?   2.0 MB
1960 What's the answer? Absolute signals   279.1 KB
1949 Yardsticks   947.2 KB
Wabash, IN 1
1929 Flashing-Light Crossing Signals Save Money for Wabash   1.9 MB
Wabic, Decatur, IL 1
1954 Wabash Yard Moves Expedited   1.2 MB
Wabush Lake, Labrador 1
1962 1962 outlook   3.0 MB
Wade, OH 1
1964 News briefs. 1964-08   811.5 KB
Wadena, MN 1
1911 Automatic Signals on the Northern Pacific   7.2 MB
Wadsworth, IL 1
1964 News briefs. 1964-09   879.4 KB
Wagner, KS 1
1922 Signal Construction on the Santa Fe   797.6 KB
Wagstaff, KS 1
1924 Controlled Manual Block Signaling With Train Control   5.5 MB
Walbridge (Toledo), OH 1
1962 News briefs. 1962-06   989.1 KB
Walbridge, OH 2
1937 New Automatics on the C&O   5.0 MB
1928 Pennsylvania Installs an Interlocking Without Derails   2.3 MB
Wales 1
1960 British open new class yard   240.4 KB
Walke, VA 1
1962 News briefs. 1962-10   461.7 KB
Walkerville Jct., Ontario 1
1944 Canadian Pacific Installs Centralized Traffic Control   4.4 MB
Wallace, GA 1
1947 Automatic Block With Spring Switches installed on the Georgia Railroad   851.4 KB
Walnut, Reading, PA 1
1955 The Reading has compact control machine for consolidated interlocking   511.5 KB
Walsenburg, CO 1
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
Waltham, MA 1
1935 New Signaling on the Boston & Maine   9.9 MB
Walthers, W. K. 1
1932 Miniature Signal System a Hobby   606.4 KB
Walton, KS 1
1922 Signal Construction on the Santa Fe   797.6 KB
Walton, VA 3
1961 News briefs. 1961-04   1.5 MB
1936 Replacing Semaphores With Position Light Signals On the Norfolk & Western   7.9 MB
1960 Signaling enters automation   630.6 KB
Walworth, WI 1
1949 Milwaukee Installs Automatic Block   8.2 MB
Wampum, PA 2
1935 Centralized Traffic Control Installed on the Pittsburgh & Lake Erie   12.9 MB
1959 P&LE installs multiple track CTC   1.1 MB
Wanatah, IN 1
1925 PRR construction (Lima, et al): News of the Month (July 1925)   675.8 KB
Wann, IL 3
1941 Interlocking and Automatic Signals on the Alton   3.0 MB
1965 News briefs. 1965-01   2.0 MB
1965 News briefs. 1965-10   1.1 MB
War Production Board 3
1943 A Review of 1942   2.9 MB
1943 Accident Involves Signaling   1.0 MB
1943 Some Benefits of the War   780.5 KB
Warncliffe, WV 1
1964 News briefs. 1964-02   981.5 KB
warning time 1
1937 Warning Time With Crossing Gates   1.3 MB
Washago, Ontario 1
1963 News briefs. 1963-03   790.6 KB
Washington St., Lansing, MI 1
1937 Signaling Eliminates Platform Maintenance   3.9 MB
Washington Street, Milwaukee, WI 1
1917 New Interlocking Plant in Milwaukee   1.2 MB
Washington Terminal 1
1908 The Electro-Pneumatic Signal and Interlocking System at the New Union Station, Washington, DC   4.5 MB
Washington, Baltimore & Annapolis 2
1912 New Scheme of Interurban Automatic Signaling   1.9 MB
1913 The Union’s Signaling Exhibition Room   1.5 MB
Washington, DC 11
1944 Centennial of Morse Telegraph   6.6 MB
1935 Coded Track Circuit Signaling on the Pennsylvania   9.8 MB
1909 Electric interlocking at C St. and Delaware Ave., Washington, DC   1.4 MB
1938 Pennsylvania Electrification Signaling   5.3 MB
1946 Reverse Running on the Pennsylvania   2.8 MB
1935 Safety of High Speed Trains   5.2 MB
1951 Signal Modernization Program on the RF&P   1.0 MB
1935 Signaling for Higher Train Speeds   3.0 MB
1944 St. Louis-San Francisco Installs Centralized Traffic Control   1.1 MB
1908 The Electro-Pneumatic Signal and Interlocking System at the New Union Station, Washington, DC   4.5 MB
1926 Train Control Progress in 1925   3.1 MB
Washington, IN 1
1961 News briefs. 1961-07   648.9 KB
Water, Reading, PA 1
1955 The Reading has compact control machine for consolidated interlocking   511.5 KB
Waterloo Station, London, England 1
1936 New Interlocking Machines Abroad   1.3 MB
Waterloo, IA 4
1933 Automatic Interlocking in Train Control Territory   2.3 MB
1942 Automatic Signal Program on the Illinois Central   4.6 MB
1926 Train Control Progress in 1925   3.1 MB
1926 Train Stop Without Permissive Wayside Signals Used on IC   3.5 MB
Waterloo, NE 1
1937 Color Light Signals Replace Semaphores on Union Pacific   4.2 MB
Waterman (Galesburg, IL) 1
1932 Burlington's Reconstruction Program at Galesburg Involves Modern Interlocking Plants   2.6 MB
Watertown, IL 1
1941 Protection at 38 Street Crossings In and Near Rock Island, Ill   3.1 MB
Watervliet, NY 1
1962 News briefs. 1962-03   1.1 MB
Watrous, Saskatchewan 3
1962 News briefs. 1962-01   986.8 KB
1962 News briefs. 1962-07   494.2 KB
1964 News briefs. 1964-01   535.9 KB
Watseka, IL 3
1925 Division Train Control Installation on C&EI Approved by ICC   2.9 MB
1960 News briefs. 1960-11   875.5 KB
1961 News briefs. 1961-03   1.0 MB
Watsonville Jct., CA 1
1962 News briefs. 1962-09   829.8 KB
Wauhatchie, TN 1
1960 News briefs. 1960-09   756.9 KB
Waukegan, IL 2
1954 Automatic Gates Increase Safety   3.2 MB
1936 North Western Installs Automatic Gates   15.9 MB
Waukesha, WI 4
1949 192 Miles of Automatic Block On Soo Line   6.0 MB
1950 Bootleg Risers and Bonds   2.1 MB
1963 News briefs. 1963-10   497.4 KB
1952 Soo Line Completes Signaling on 260 Miles of Single Track   737.7 KB
Waverly Station, Edinburgh, Scotland 1
1936 New Interlocking Machines Abroad   1.3 MB
Waverly, IA 1
1928 Automatic Interlocker on Chicago Great Western Effects Saving   2.4 MB
Waverly, MD 1
1955 News briefs. 1955-08   830.4 KB
Waverly, MI 1
1945 CTC Solves Operating Problems On the Pere Marquette   4.3 MB
Waverly, NY 1
1958 DL&W-Erie joint operation is ready to go   643.6 KB
Waverly, VA 1
1950 Neon Lighting For Crossing Gate Arms   3.1 MB
Waxahachie, TX 1
1954 This Automatic Block Is Different   3.3 MB
Waycross, GA 1
1955 News briefs. 1955-08   830.4 KB
Wayland, MA 1
1937 Highway Traffic Retarding Barriers on the Boston & Maine   8.0 MB
Wayne Jct., MI 1
1936 Accident in Automatic Block Signal Territory   4.7 MB
Wayne Jct., PA 3
1944 Light-Type Signals Installed on the Reading   6.3 MB
1934 New Signaling on the Reading   631.4 KB
1965 News briefs. 1965-11   1.2 MB
Wayne, MI 1
1965 News briefs. 1965-10   1.1 MB
Wayne, PA 1
1915 First Position Light Signal Installation   580.6 KB
Waynoka, OK 3
1947 CTC Has Long Sidings With Signals on the Santa Fe   2.1 MB
1962 News briefs. 1962-01   986.8 KB
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
wayside signaling 1
1951 Pennsylvania Exhibits Speed Control   512.5 KB
wayside signals 1
1950 Train Signals for Highway Crossings   1.4 MB
WB Jct., MO 2
1955 News briefs. 1955-08   830.4 KB
1960 News briefs. 1960-03   1.9 MB
weather 1
1947 Illinois Central Honors Radio “Hams” for Emergency Services   278.0 KB
weather detectors 1
1959 Fewer wayside observers makes automatic hazard detection necessary   1.1 MB
Weatherford, TX 1
1955 News briefs. 1955-08   830.4 KB
Weed, CA 1
1965 News briefs. 1965-05   1.4 MB
Welch, Ashbel 1
1958 RS&C 50th anniversary: Signaling ... manual to automatic   2.0 MB
Weldon, Chicago, IL 1
1943 Electric Interlocking Installed On IC   12.8 MB
Weller Yard, VA 1
1940 Centralized Traffic Control Solves Problem on the Norfolk & Western   7.5 MB
Wellington, KS 3
1961 News briefs. 1961-12   978.0 KB
1962 News briefs. 1962-01   986.8 KB
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
Wellington, Montreal, Quebec 1
1944 Canadian National installs new type of all-relay interlocking at Montreal   7.0 MB
Wellington, OH 1
1965 News briefs. 1965-10   1.1 MB
Wells and Van Buren Sts., Chicago, IL 1
1935 New Interlocking in the Chicago Loop   4.0 MB
Wells, NE 1
1947 ICC Holds Signal Hearing   507.5 KB
Wells, NV 1
1946 ICC 50-MPH Signal Hearing   6.9 MB
Wellsville, KS 1
1959 Santa Fe CTCs double track line   2.2 MB
Wenatchee, WA 1
1956 When Dispatchers Move ... Carrier Saves Wire Pair   1.3 MB
Weso, NV 1
1925 Signaling of Paired Track Operation   1.3 MB
West Aliquippa, PA 1
1959 P&LE installs multiple track CTC   1.1 MB
West Ashland, KY 1
1926 Directing Trains By Signals   1.9 MB
West Binghamton, NY 1
1958 DL&W-Erie joint operation is ready to go   643.6 KB
West Bridge Jct., LA 2
1937 Interlocking and Signaling For New Bridge at New Orleans   5.9 MB
1936 New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans   7.9 MB
West Burlington, IA 1
1925 Excellent Results for 35 Years on Burlington   1.5 MB
West Cambridge, MA 1
1965 News briefs. 1965-07   788.2 KB
West Casey, IL 1
1940 Pennsylvania Installs Centralized Traffic Control On 69 Miles of Line   13.1 MB
West Chester, PA 1
1916 Some Examples of Early Signaling   351.5 KB
West Chicago, IL 4
1947 Annual Review and Outlook   425.1 KB
1925 Color-Light Signals on C&NW   6.9 MB
1950 Longest Continuous Double-Track CTC Is on North Western   5.1 MB
1922 Train Control on the C&NW   824.8 KB
West Concord, MA 1
1935 New Signaling on the Boston & Maine   9.9 MB
West Crossover, OH 1
1955 News briefs. 1955-08   830.4 KB
West Detroit, Detroit, MI 1
1953 Remote Control Interlockings Improve Terminal Operation   551.4 KB
West Detroit, MI 1
1927 Michigan Central Train Control Approved   800.8 KB
West Economy, PA 1
1955 CTC enables P&LE to remove fourth main track   515.3 KB
West End, NJ 1
1925 Multiple Track Operation by Signal Indication   2.7 MB
West Eola, IL 1
1954 New Wayside and Cab Signaling   753.2 KB
West Flint, MI 1
1958 One track does work of two   521.4 KB
West Haddonfield, NJ 1
1965 News briefs. 1965-01   2.0 MB
West Hinsdale, IL 1
1954 New Wayside and Cab Signaling   753.2 KB
West Jct., OH 1
1937 APB, Remote Control, and CTC on the Baltimore & Ohio   11.9 MB
West Jct., Quebec 1
1951 Canadian National Installs Centralized Traffic Control On a 117-Mile Sub-Division   501.4 KB
West Jersey & Seashore 1
1946 W. M. Post retires   932.3 KB
West Nelson, IL 1
1931 Remotely-Controlled Interlocking Solves Problem on C&NW   1.9 MB
West Palm Beach, FL 1
1964 News briefs. 1964-12   981.5 KB
West Parkdale, Jct., Toronto, Ontario 1
1955 News briefs. 1955-08   830.4 KB
West Penn Crossing, PA 1
1965 News briefs. 1965-01   2.0 MB
West Philadelphia, PA 1
1915 First Position Light Signal Installation   580.6 KB
West Point, KY 1
1947 CTC Down by the Ohio   2.7 MB
West Quincy, MO 2
1959 Burlington installs modified CTC   1.0 MB
1928 Centralized Control on Burlington Saves $16,200 a Year   2.4 MB
West Somerville, MA 1
1916 William Robinson, Inventor of the Track Circuit   373.1 KB
West Tappan, MI 1
1958 One track does work of two   521.4 KB
West Toronto, Ontario 1
1964 News briefs. 1964-02   981.5 KB
West Waterloo, IA 1
1926 Illinois Central Continuous Train Stop Approved Without Major Exceptions   1.1 MB
Westboro, NH 2
1966 News briefs. 1966-01   1.4 MB
1959 Signaling moderate during '58   528.6 KB
Westchester Yard, Bronx, NY 1
1950 Route Type Interlocking on New York Subway   8.7 MB
Western Ave. Yard, Chicago, IL 1
1947 Burlington Uses Radio on Switchers   909.1 KB
Western Ave., Chicago, IL 2
1947 Choice of Interlocking Control Machines   266.5 KB
1958 Interlocking saves time and money for the Belt Railway of Chicago   2.0 MB
Western Avenue (B&OCT), Chicago, IL 1
1938 B&OCT Installs Route Interlocking   8.9 MB
Western Avenue (CMStP&P), Chicago, IL 1
1938 Milwaukee Rehabilitates Large Plant   8.0 MB
Western Electric 2
1908 A New 10,000 Line Telephone Exchange for Paris, France   2.2 MB
1958 RS&C 50th anniversary: Railroad communications ... from Morse to microwave   3.3 MB
Western Maryland 9
1937 Broken Rails   1.1 MB
1936 Flood Damage to Signaling   5.0 MB
1951 Modern Interlocking on the Norfolk & Western   710.2 KB
1963 News briefs. 1963-10   497.4 KB
1935 Preventing Unnecessary Operation of Highway-Railroad Crossing Signals   4.3 MB
1936 Railroads Clean Up After Flood Waters   33.3 MB
1937 Rehabilitating Flooded Signaling   1.4 MB
1945 Signal Training on the Western Maryland   617.4 KB
1945 Teaching the Meaning of Signal Aspects   431.7 KB
Western Pacific 21
1947 Annual Review and Outlook   425.1 KB
1950 Centralized Train Dispatching   1.4 MB
1956 CTC Locking   2.2 MB
1935 Depression Operation of Interlocking   2.6 MB
1931 Efficiency Tests   1.9 MB
1954 Electric Interlocking on the Rio Grande   3.4 MB
1962 Electric Switch Lamp Lighting Helps Reduce Operating Expense   661.7 KB
1947 How Low Is a Dwarf?   438.7 KB
1947 ICC Holds Signal Hearing   507.5 KB
1950 Increasing Use of Carrier   1.3 MB
1956 Main Track Leaving Signal   2.2 MB
1950 Modern Signaling Systems On Western Pacific   16.1 MB
1961 News briefs. 1961-08   851.8 KB
1964 News briefs. 1964-04   1.3 MB
1939 Rock Detector Protection on the Western Pacific   2.1 MB
1934 Signal Aspects at an Automatic Interlocking Plant   1.2 MB
1947 Territories Involved in the ICC Signaling Order   388.2 KB
1950 Train Signals for Highway Crossings   1.4 MB
1955 What's the Answer? CTC Into Service   409.5 KB
1958 What's the answer? CTC locking   269.2 KB
1960 What’s the answer? Snow shields   224.6 KB
Western Railroad Supply 19
1951 "Central" Increases Safety at Highway Crossings in Dayton   1.0 MB
1959 AFO circuits protect crossing   554.0 KB
1959 B&M takes up track and installs traffic control, gates and flashers   745.0 KB
1960 CNR uses speed selection for gates   980.7 KB
1955 Crossing gate protection with indicators for train movements   432.4 KB
1947 Crossing Protection in Gary, Indiana   1.6 MB
1958 Crossing protection program saves 59%   553.4 KB
1935 Crossing Signals on the C&NW at Oshkosh, Wis   3.4 MB
1957 CTC on the SP has special devices   518.8 KB
1959 D&H upgrades crossing protection   626.4 KB
1947 Highway Crossing Protection Installed by Several Railroads in Gary, IndianaR   1.2 MB
1955 How CN increased track capacity   516.4 KB
1937 New Devices- March 1937   18.1 MB
1951 On the Baltimore & Ohio New Interlocking Speeds Trains   641.0 KB
1951 Portland Terminal Solves Crossing Protection Problem   676.8 KB
1936 Reading Installs Unique Crossing Protection   9.5 MB
1936 Semaphore Type Crossing Gate Developed on the Alton   8.3 MB
1948 Special Gate Circuits in Houston   1.4 MB
1939 Testing Sets   2.0 MB
Western Union 2
1950 Increasing Use of Carrier   1.3 MB
1958 RS&C 50th anniversary: Railroad communications ... from Morse to microwave   3.3 MB
Westfield, NY 2
1943 New York, Chicago & St. Louis Installs Centralized Traffic Control on Busy Sections of Single Track   7.9 MB
1955 News briefs. 1955-08   830.4 KB
Westinghouse Air Brake 1
1964 News briefs. 1964-04   1.3 MB
Westinghouse Brake & Signal 1
1965 Rhodesia has 1215 miles of CTC   949.2 KB
Westinghouse Electric 1
1964 News briefs. 1964-04   1.3 MB
Westinghouse, George 1
1916 William Robinson, Inventor of the Track Circuit   373.1 KB
Westport, CT 1
1915 Extension of New Haven signals   684.8 KB
Westville, IL 1
1960 News briefs. 1960-02   995.4 KB
Wheaton, IL 2
1960 Crossings are safer after 10 years   454.4 KB
1959 North Western installs automatic gates at nine crossings   699.9 KB
wheel counter 1
1951 Remote Control Interlocking Coordinates Train Movements   922.4 KB
Wheeler, OH 1
1950 Remote Control of Center Sidings On Busy Double-Track Line   3.6 MB
Wheeling & Lake Erie 3
1950 CTC Installed on 128 Miles of NKP   12.1 MB
1947 New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads   997.9 KB
1947 Territories Involved in the ICC Signaling Order   388.2 KB
Wheeling, IL 2
1947 ICC Signal Hearings   179.7 KB
1952 Soo Line Completes Signaling on 260 Miles of Single Track   737.7 KB
Wheeling, WV 5
1956 B&O Crossings   4.3 MB
1932 Centralized Traffic Control Installed on the Baltimore & Ohio   4.3 MB
1961 News briefs. 1961-07   648.9 KB
1937 Ohio Flood Damages Signaling   9.7 MB
1959 Signaling: 1960   225.2 KB
White Pigeon, MI 1
1912 New Single Track Signals on the Lake Shore   283.2 KB
White, Harvey 1
1958 Six editors in 50 years   253.5 KB
Whitefish, MT 1
1956 When Dispatchers Move ... Carrier Saves Wire Pair   1.3 MB
Whitehall, NY 2
1962 News briefs. 1962-06   989.1 KB
1963 News briefs. 1963-11   1.4 MB
Whiting, IN 1
1962 EJ&E Uses Tone Coding to Get Systems on One RF Channel   562.3 KB
Wichita Falls, TX 1
1950 Flood Detectors on the Katy   2.7 MB
Wichita, KS 1
1949 Signaling Adapted to Traffic On the Rock Island   5.2 MB
wide band shunts 1
1965 GCPs can be used for various types of grade crossings   374.6 KB
Wiegand, F. B. 3
1937 Changes on the New York Central Lines   2.3 MB
1916 New York Central and Pennsylvania Change Colors   220.3 KB
1940 Personal: Changes on the New York Central   2.2 MB
wig wag signals 1
1935 Wig Wags Approved for PWA Projects   1.4 MB
Wiggam, KS 1
1959 Santa Fe CTCs double track line   2.2 MB
Wight, S. N. 4
1927 NYC First to Install Complete Train Dispatching System   8.0 MB
1925 Signaling at the Age of Maturity   2.0 MB
1911 Symbols and Nomenclature for Written Circuits   2.3 MB
1925 Train Operation by Signal Indication on Burlington for 14 Years   679.2 KB
Wight, Sedgwick N. 1
1947 Medals Awarded by Franklin Institute   236.3 KB
wigwag signals 2
1951 A History of Flashing-Light Crossing Signals- What They Are and Why   570.5 KB
1917 Wigwag signals on an Electric Line   239.2 KB
Wilders, IN 1
1946 Remote Control and Reverse Running on the Erie   3.2 MB
Wilkes-Barre, PA 2
1960 News briefs. 1960-01   1.1 MB
1960 News briefs. 1960-03   1.9 MB
Wilkinson, IL 1
1935 Great Western Constructs Automatic Interlocking   6.8 MB
Willard, OH 3
1961 News briefs. 1961-07   648.9 KB
1963 News briefs. 1963-03   790.6 KB
1965 News briefs. 1965-01   2.0 MB
Williams Jct., AZ 1
1961 Santa Fe Signals New Main Line   913.2 KB
Williamsburg Bridge, New York, NY 1
1916 AC Signaling in the Centre Street Loop   924.9 KB
Williamson, WV 1
1960 CTC signals clear automatically   1.1 MB
Williamsport, PA 2
1960 News briefs. 1960-05   1.0 MB
1925 Train Operation by Signal Indications – Especially by Cab Signals   1.3 MB
Willmar, MN 1
1957 GN CTC's 175 miles of mainline   635.9 KB
Willoughby, OH 1
1955 News briefs. 1955-08   830.4 KB
Willow Springs, IL 1
1922 Signal Construction on the Santa Fe   797.6 KB
Willow Springs, MO 1
1951 More Signal Construction in 1950   1.0 MB
Willows, East St. Louis, IL 1
1908 Interlocking Facilities of the St. Louis Terminal Railroad Assn. of St. Louis   7.2 MB
Willows, MA 1
1947 CTC Extension on the Boston & Maine   792.3 KB
Wilmer W. Salmon 1
1936 Wilmer W. Salmon, President of General Railway Signal Company, Dies   2.8 MB
Wilmette, IL 3
1954 Automatic Gates Increase Safety   3.2 MB
1935 New Signaling on the Route of the C&NW "400"   9.6 MB
1935 Signaling for Higher Train Speeds   3.0 MB
WIlmington Jct., MA 1
1916 William Robinson, Inventor of the Track Circuit   373.1 KB
Wilmington, DE 2
1935 Coded Track Circuit Signaling on the Pennsylvania   9.8 MB
1933 Signaling on the Pennsylvania's Electrified Line   3.6 MB
Wilpen, MN 1
1962 DM&IR Consolidates CTC Control Miles   384.7 KB
Wilson Ave., Chicago, IL 1
1935 New and Unusual Signal and Relay Repair Shop on the Chicago Rapid Transit   9.0 MB
Wilson, NC 1
1959 News briefs. 1959-05   506.5 KB
Winans, MD 1
1936 Remote Control on the Pennsylvania   14.5 MB
Winchester, IN 1
1964 News briefs. 1964-05   1.0 MB
Winchester, KY 6
1962 News briefs. 1962-07   494.2 KB
1963 News briefs. 1963-04   889.2 KB
1964 News briefs. 1964-02   981.5 KB
1965 News briefs. 1965-01   2.0 MB
1965 News briefs. 1965-02   1.9 MB
1965 News briefs. 1965-08   742.1 KB
Winchester, MA 1
1957 Elevation causes signal changes   893.2 KB
Windermere, OH 2
1955 New Cleveland Transit System   917.8 KB
1962 News briefs. 1962-07   494.2 KB
Windsor Jct., Nova Scotia 1
1944 CTC On 185 Miles on Canadian National   12.3 MB
Windsor, IL 1
1951 Single-Track With CTC Handles 40 Trains Daily   530.8 KB
Windsor, Ontario 3
1944 Canadian Pacific Installs Centralized Traffic Control   4.4 MB
1931 Michigan Central Makes Extensive Improvements in Signaling System   3.3 MB
1940 New Interlockings at Windsor, Ont. On the Michigan Central   14.1 MB
Windsor, VA 1
1950 Neon Lighting For Crossing Gate Arms   3.1 MB
Windsor, VT 2
1963 News briefs. 1963-10   497.4 KB
1964 News briefs. 1964-02   981.5 KB
Winford Jct., KY 1
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
Winnemucca, NE 1
1947 ICC Holds Signal Hearing   507.5 KB
Winnetka, IL 1
1941 Automatics Installed on North Shore   1.6 MB
Winnipeg Electric 1
1915 A Half-Interlocking Plant on the Canadian Northern   1.6 MB
Winnipeg, Manitoba 11
1915 A Half-Interlocking Plant on the Canadian Northern   1.6 MB
1962 Computer Simulation of CTC   220.3 KB
1947 ICC Signal Hearings   179.7 KB
1955 News briefs. 1955-08   830.4 KB
1961 News briefs. 1961-02   1.4 MB
1964 News briefs. 1964-01   535.9 KB
1965 News briefs. 1965-10   1.1 MB
1958 Nine layouts in one interlocking   1.7 MB
1959 Signaling moderate during '58   528.6 KB
1937 Switch Indicators Serve as Interlocking Control Devices   5.6 MB
1962 Toronto Railway Conference – Automatic Train Operation   448.4 KB
Winnipeg, Mantoba 1
1962 News briefs. 1962-01   986.8 KB
Winona, MN 1
1965 Midwest RRs fight the weather   914.4 KB
Winslow, AZ 6
1960 News briefs. 1960-03   1.9 MB
1960 News briefs. 1960-05   1.0 MB
1964 News briefs. 1964-02   981.5 KB
1964 News briefs. 1964-04   1.3 MB
1964 News briefs. 1964-10   768.6 KB
1960 Signaling enters automation   630.6 KB
Winston Salem, NC 1
1926 Signal Business Is Good Especially For Single Track   382.3 KB
Winston, IL 2
1911 Automatic Signals on the Chicago Great Western   7.4 MB
1931 Chicago Great Western Saves $7,000 Annually by Remote Control of Tunnel Interlockings   3.7 MB
Winston-Salem Southbound 1
1951 Modern Interlocking on the Norfolk & Western   710.2 KB
Winter Park, CO 1
1950 CTC Extended on the Rio Grande   4.4 MB
winter storms 1
1918 Record Snowstorms Paralyze Transportation   424.7 KB
winter weather 1
1918 Preparation For Winter On a Busy Terminal   273.8 KB
Wisconsin Central 6
1948 Gates at Three Crossings on Soo Line   1.8 MB
1947 ICC Signal Hearings   179.7 KB
1947 Railroads Request Relief from the ICC Signal Order   365.7 KB
1952 Soo Line Completes Signaling on 260 Miles of Single Track   737.7 KB
1947 Territories Involved in the ICC Signaling Order   388.2 KB
1960 What’s the answer? Automatic OS   354.1 KB
Wishram, WA 1
1947 Signals and Slide Fences on the Spokane, Portland & Seattle   1.8 MB
WK Cabin, Swissvale, PA 1
1937 Remote Control on the Pennsylvania   5.2 MB
WO Tower, NJ 1
1962 News briefs. 1962-10   461.7 KB
Wolf Creek, OH 1
1929 Pennsylvania Installs APB Signaling on 86 Miles   3.7 MB
Wolf, MN 1
1944 CTC Speeds Ore Traffic On the DM&IR   4.6 MB
Wolsey, SD 1
1928 Automatic Interlockers Are Profitable Investments   3.3 MB
Wood Dale, IL 1
1910 Construction Crew on the CM&StP   420.8 KB
Woodland Jct., IL 2
1960 News briefs. 1960-10   1.8 MB
1960 News briefs. 1960-11   875.5 KB
Woodlane, PA 1
1944 Light-Type Signals Installed on the Reading   6.3 MB
Woodlawn Jct., NY 1
1916 Reconstruction of New Haven Signals   315.5 KB
Woodlawn, NY 1
1915 Extension of New Haven signals   684.8 KB
Woodmont, CT 1
1956 New Haven Consolidates Control of Nine Interlocking Layouts   8.3 MB
Woodstock, TN 1
1963 News briefs. 1963-11   1.4 MB
Worcester, MA 1
1958 Improved signaling results from grade elimination   883.1 KB
World War II 7
1943 A Review of 1942   2.9 MB
1942 Railroad Signals Go to War   11.4 MB
1942 Signal Aspects During Blackouts   2.2 MB
1942 Signal Lights In War   755.6 KB
1943 Some Benefits of the War   780.5 KB
1945 The Post-War Importance of Signaling   522.0 KB
1941 War on the British Railways   986.3 KB
World's Fair 1939-40 1
1939 Signaling the Pennsylvania to New York World's Fair   4.2 MB
Worley, SC 2
1965 News briefs. 1965-07   788.2 KB
1958 Special combinations of single-track and two-track replace double track on the Southern   960.9 KB
WR, Granite City, IL 1
1908 Interlocking Facilities of the St. Louis Terminal Railroad Assn. of St. Louis   7.2 MB
Wray, CO 2
1947 Burlington Concentrates CTC Control at Division Headquarters   840.8 KB
1925 Train Operation by Signal Indication on Burlington for 14 Years   679.2 KB
Wyant, Leroy 2
1935 Crossing Bells at Flasher Signals   1.9 MB
1940 Obituary: Leroy Wyant   1.0 MB
Wyeville, WI 3
1958 News briefs. 1958-01   1.8 MB
1935 Signaling for Higher Train Speeds   3.0 MB
1953 The North Western Installs Automatic Train-Stop System   3.5 MB
Wyoming, MI 1
1954 Loudspeakers and Interlocking Improve Yard Operation   4.7 MB

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