W WA - Western Railway of Alabama; Seaboard System Railroad; CSX Transportation WAB - Wabash Railroad; Norfolk Southern WACR - Washington County Railroad WACX - PCS Phosphate Company WAG - Wellsville, Addison and Galeton Railroad WAGX - PCS Phosphate Company WAL - Western Allegheny Railroad WAMX - Watco Transportation Services, L.L.C. WAR - Warrenton Railroad WAS - Waynesburg Southern WATC - Washington Terminal Company WATR - Waterville Railroad WAW - Conrail WBC - Wilkes-Barre Connecting Railroad WBCX - Williams Brothers Concrete WBMX - Wilkes-Barre Milling (Lauhoff Grain Company) WBTS - Waco, Beaumont, Trinity and Sabine Railway WC - Wisconsin Central Railway; Canadian National Railway WCCL - Wisconsin Central Railway; Canadian National Railway WCDX - Far-Mar-Co, Inc. WCE - West Coast Express WCHX - Walter Haffner Company WCRC - Washington Central Railroad WCRX - United Grain Corporation WCTR - WCTU Railway WCTX - West Central Cooperative WDRR - White Deer and Reading Railroad WDTX - Washington State Department of Transportation WE - Wheeling and Lake Erie Railway (current) WECX - Westinghouse Electric Corporation WEIX - Wilbur-Ellis Company WELX - Welland Chemical, Inc. WERR - Washington Eastern Railroad WEPX - Wisconsin Electric Power Company WERZ - Werner Enterprises WESX - BC Timber, Ltd. WFAX - Western Fuels Association, Inc. WFCX - Western Farmers Electric Cooperative WFE - Western Fruit Express; Burlington Northern Railroad WFIX - WFIX Partners; Wells Fargo Rail WFRX - WFEC Railroad Company; Wells Fargo Rail WGBX - W. G. Block Company WGCR - Wiregrass Central Railroad WGRR - Williams and Grand Ronde Railroad WHCX - Western Hay Corporation WHI - Burlington Northern Railroad WHN - Conrail WHSX - GE Rail Services WICT - Wisconsin and Calumet Railroad WIF - West India Fruit and Steamship Company WIGX - Wigeon Car Company WISX - Wisconsin Power and Light WITX - Continental Carbon Company WIWR - Wisconsin Western Railroad WKRL - Western Kentucky Railway WLE - Wheeling and Lake Erie Railway (former) WLFB - Wolfeboro Railroad WLO - Waterloo Railway WLPX - West Lake Polymers WLRL - Washington-Lincoln Railink WM - Western Maryland Railroad; Baltimore and Ohio Railroad; Chessie System; CSX Transportation WMI - West Michigan Railroad WMSC - White Mountain Scenic Railroad WMSR - Western Maryland Scenic Railroad WMTZ - Wal-Mart Transportation WMWN - Weatherford, Mineral Wells and Northwestern Railway WN - Wisconsin Northern Railroad WNF - Winfield Railroad WNFR - Winnifrede Railroad WNGX - Western Natural Gas Company WNYP - Western New York and Pennsylvania Railroad WOD - Washington and Old Dominion Railroad WOPR - West Oakland Pacific Railroad WP - Western Pacific Railroad; Union Pacific Railroad WPGX - Western Paving Construction Company WPLX - GE Rail Services WPMW - Western Pacific Railroad (Maintenance of way) WPRR - Willamette and Pacific Railroad WPSX - Wisconsin Public Service Corporation WPY - White Pass and Yukon Route WRA - Western Railway of Alabama; Seaboard System Railroad; CSX Transportation WRDX - Iowa-Illinois Gas and Electric Company WREX - Western Refrigerator Express WRIX - Western Rail Inc. WRL - Western Refrigerator Line, Washington Royal Line WRLX - Relco Tank Line WRNX - Gulf Oil Products Company; Chevron USA, Inc. WRPX - Public Service Company of Indiana WRRC - Western Rail Road Company WRSX - Scholle Corporation WRTX - Western Rail Leasing Corporation WRWK - Providence and Worcester Railroad WRX - Western Refrigerator Line Company WS - Ware Shoals Railroad WSCX - Buffalo Brake Beam Company WSJR - Goderich-Exeter Railway WSOR - Wisconsin and Southern Railroad WSOX - Wisconsin and Southern Leasing Company WSR - Warren and Saline River Railroad WSRC - West Shore Railroad Corporation WSS - Winston-Salem Southbound Railway WSX - National Steel Corporation (Weirton Steel Division) WSYP - White Sulphur Springs and Yellowstone Park Railway WT - Weldwood Transportation, Ltd., Wyandotte Terminal Railroad WTA - Wichita Terminal Association WTCO - Watco Railways WTCX - Weyerhaeuser Company WTOH - Western Ohio Railroad WTRY - Wilmington Terminal Railroad WTSE - West Shore Railroad Corporation WTTX - Trailer Train Company WURR - Wallowa Union Railroad WUT - Wichita Union Terminal Railway WUTX - Washington Utilities and Transportation Commission (scale test cars) WVCX - Westvaco Corporation WVN - West Virginia Northern Railroad WVRR - Whitewater Valley Railroad WW - Winchester and Western Railroad WWR - Washington Western, Western Washington Railroad WWRC - Wilmington & Western Railroad WWLX - LaRoche Industries, Inc. WWPX - Willimantic Waste Paper, Inc. WWSX - Standard Car Truck Company WWUX - Unimin WYCX - Weyerhauser Canada, Ltd. WYS - Wyandotte Southern Railroad