Abbreviations - railroad names of North America

Like the builder names, the railroad company names are also abbreviated. In most cases, I used the railroad's most common abbreviation, but there are many that might not be obvious.

• A&B = Amherst & Belchertown
• A&BR = Arcadia & Betsey River RR
• A&BV = Anderson & Bella Vista
• A&G = Atlantic & Gulf
• A&GW = Atlantic & Great Western RR
• A&LG = Atlanta & LaGrange
• A&N = Albany & Northern
• A&NM = Arizona & New Mexico RR
• A&NW = Austin & Northwestern RR (3' narrow gauge), under H&TC control ~1888
• A&P = Atlantic & Pacific RR
• A&S = Albany & Susquehanna RR (6' broad gauge)
• A&Sc = Albany & Schenectady RR
• A&SL = Atlanta & St. Lawrence RR
• A&StL = Atlantic & St. Lawrence Railroad
• A&Sy = Auburn & Syracuse
• A&WP = Atlanta & West Point
• AC = Amador Central
• AC&O = Averill Coal & Oil Co.
• ACRy = Austin Central Ry.
• Ad&SL = Adirondack & St. Lawrence RR
• Adir = Adirondack RR
• AE = Arizona Eastern RR, bought by SP 12/8/1924
• AF = American Fork RR
• AG&Co = A. Gross & Co.
• AL&H = Alexandria, Loudoun & Hampshire Railroad
• AMR = Albion Mines Railway
• AP = Allegheny Portage RR
• ARy = Albion Railway
• ASC = American Sugar Co.
• AT = Ahukini Terminal
• At&B = Attica & Buffalo Railroad
• ATSF = Atchison, Topeka & Santa Fe RR
• B&A = Boston & Albany Railroad
• B&B = Bodie & Benton Ry
• B&BR = Billerica & Bedford Railroad
• B&C = Buffalo & Corning RR
• B&D = Baltimore & Delta Railway (3' narrow gauge)
• B&E = Buffalo & Erie
• B&JC = Brooklyn & Jamaica Central
• B&L = Burlington & Lamoille RR
• B&M = Boston & Maine RR
• B&NF = Buffalo & Niagara Falls
• B&O = Baltimore & Ohio
• B&P = Bangor & Piscataquis
• B&R = Bennington & Rutland Ry.
• B&S = Baltimore & Susquehanna RR
• B&SL = Buffalo & State Line
• B&W = Brattleboro & Whitehall (3' narrow gauge)
• BBB&C = Buffalo Bayou, Brazos & Colorado RR, bought by SP
• BC&F = Boston Coal & Fuel
• BC&M = Boston, Concord & Montreal RR
• BCCRC = Beaver Creek & Cumberland River Coal Co.
• BClF = Boston, Clinton & Fitchburg RR
• BF&B = Bradford & Foster Brook Ry (monorail)
• BH&E = Boston, Hartford & Erie RR
• BL&N = Boston, Lowell & Nashua
• BM = Beaver Meadows
• BM&L = Battle Mountain & Lewis Ry.
• Bo&L = Boston & Lowell
• Bo&P = Boston & Providence
• Bo&W = Boston & Worcester
• BR&A = Blue Ridge & Atlantic
• BRB&L = Boston, Revere Beach & Lynn Railroad
• BRR = Barre RR, Vermont
• Bu&R = Buffalo & Rochester Railroad
• C&A = Camden & Amboy
• C&At = Camden & Atlantic
• C&C = Carson & Colorado
• C&H = Charleston & Hamburg RR
• C&M = Concord & Montreal
• C&NF = Canandaigua & Niagara Falls Railroad. 6 ft gauge. Founded in 1853; acquired by the New York Central Railroad in 1858.
• C&NW = Chicago & North Western Railway
• C&P = Cleveland & Pittsburgh RR
• C&Pa = Cumberland & Pennsylvania RR
• C&PR = Connecticut & Passumpsic Rivers RR
• C&PS = Columbia & Puget Sound (3' narrow gauge)
• C&RI = Chicago & Rock Island
• C&SC = Charlotte & South Carolina
• C&SL = Champlain & St Lawrence RR
• C&SP = Clifton & Southern Pacific
• C&Su = Cayuga & Susquehanna
• C&VC = Cienfuegos & Villa Clara
• C&W = Canton & Waynesburg RR (56¾" gauge), bought by NKP
• C&WWV = Cincinnati & White Water Valley RR
• Ca&O = Carrollton & Oneida RR
• CalP = California Pacific RR, bought by CP
• CaN = California Northern RR, renamed Northern California RR 9/1888; bought by CP
• CanP = Canadian Pacific
• CaSL = Cavio & St Louis RR (3' narrow gauge)
• CaV = Cahuenga Valley RR, Los Angeles area
• CC = California Central RR, bought by CP
• CC&BH = Covington, Columbus & Black Hills
• CC&C = Cleveland, Columbus & Cincinnati RR
• CC&V = Cripple Creek & Victor
• CCC = Cape Cod Central RR, became Old Colony RR
• CCCSL = Cleveland, Cincinatti, Chicago & St. Louis RR
• CCRR = Carroll County RR
• CF&S = Chagrin Falls & Southern (3' narrow gauge), bought by NKP
• CGCo = Congress Gold Co.
• CH&D = Cincinnati, Hamilton & Dayton
• Ch&P = Chicago & Pacific Railroad
• Che = Cherokee RR
• ChRR = Cheshire RR
• Cien = Cienfuegos Railroad
• CinN = Cincinnati Northern Ry
• CM&SP = Chicago, Milwaukee & St. Paul RR, early predecessor to the Milwaukee Road
• CNGR = Centennial Narrow Gauge Ry
• CNJ = Central Railroad of New Jersey
• CO&I = Chateaugay Ore & Iron Co (3' narrow gauge)
• CofG = Central RR of Georgia
• COn = Central Ontario
• ConnR = Connecticut River RR
• CoRR = Coronado RR (3' and 20" gauges), Arizona Copper Co., Ltd.
• CoV = Connotton Valley Ry
• CP = Central Pacific
• CP&A = Cleveland, Plainsville & Asthabula RR
• CP&C = Cincinnati, Peru & Chicago Ry
• CP&I = Columbus, Piqua & Indianapolis Railroad
• CPIC = Crown Point Iron Co.
• CR&B = Central Railroad & Banking Company of Georgia
• CRR = Concord RR
• CSP&F = Chicago, St. Paul & Fond du Lac RR
• CST = Central Southern Railroad of Tennessee
• CStPM&O = Chicago, St. Paul, Minneapolis & Omaha Railway
• CuV = Cumberland Valley
• CV = Central Vermont Ry.
• CV&S = Connotton Valley & Straitsville
• CW = Connecticut Western
• D&H = Delaware & Hudson
• D&HG = Delaware & Hudson Canal Co. Gravity RR.
• D&K = Delphos & Kokomo Ry (3' narrow gauge)
• D&Mi = Detroit & Milwaukee
• D&NO = Denver & New Orleans Railway
• D&P = Dubuque & Pacific
• D&RG = Denver & Rio Grande (3' narrow gauge)
• D&S = Denver & Swansea
• D&SC = Dubuque & Sioux City
• D&SE = Dayton & Southeastern RR (3' narrow gauge)
• DB&F = Delphos, Bluffton & Frankfort RR (3' narrow gauge)
• DC&T = Dayton, Covington & Toledo RR
• DCC = Darlington Cannel Coal RR
• Dis = Disneyland Ry, Anaheim, Ca.
• DL&W = Delaware, Lackawanna & Western
• DNW = Davenport & Northwestern Railroad
• DP = Denver Pacific RR
• DRR = Dalles RR
• DS&CV = Dayton, Sutro & Carson Valley Railroad
• DSW = Dubuque Southwestern Railroad
• E&KR = Eureka & Klamath River
• E&NA = European & North American Railway
• E&P = Eureka & Palisade Ry Co.
• EBT = East Broad Top RR (3' narrow gauge)
• EEng = Erie Engineers
• EMass = Eastern Railroad of Massachusetts
• EP = East Pennsylvania
• EPC = Ewa Plantation Co.
• ER&E = Eel River & Eureka
• Erie = Erie RR
• ETH&C = Evansville, Terre Haute & Chicago
• F&CC = Florence & Cripple Creek Railroad
• F&CH = Ferries & Cliff House
• F&K = Frankfort & Kokomo RR
• F&NS = Flushing & North Side
• F&W = Fitchburg & Worchester
• FB = Fort Bragg RR
• FBCC = Fall Brook Coal Co.
• FCCH = FC Cordova a Huatusco (2' narrow gauge)
• FCCM = FC Central Mexicano
• FCDS = FC De Sonora, Nogales to Guaymas
• FCHN = FC Hidalgo y Noroeste (3' narrow gauge), bought by NdeM
• FCM&C = FC Merida & Calkini (3' narrow gauge)
• FCM&P = FC Merida & Peto
• FCMS = FC Mexicano De Sur (3' narrow gauge), bought by NdeM
• FCMYG = FC Monterrey Y Gulfo De Mexico, bought by FCCM
• FCPM = FC Porvenir de Matehuala (3' narrow gauge)
• FCTHL = FC Tlacotepec a Huajuapam de Leon (3' narrow gauge)
• FCUY = FC Unidos de Yucatan (3' narrow gauge)
• FEC = Florida East Coast RR
• FLA&P = Fond du Lac, Amboy & Peoria Railroad
• FP = Freeport RR
• FR = Fall River RR
• FRR = Fitchburg Railroad
• FS = Florida Southern RR
• FWJ&S = Fort Wayne, Jackson & Saginaw
• G&A = Golconda & Adelaide RR Co.
• G&C = Greenville & Columbia
• G&CU = Galena & Chicago Union
• G&L = Georgetown & Lane
• G&RR = Galveston & Red River Ry (66" gauge), bought by H&TC
• GBM&C = Green Bay, Milwaukee & Chicago
• GFC = Grove Farm Co.
• GH&SA = Galveston, Harrisburg & San Antonio RR.
• GL&LC = Georgia Land & Lumber Co.
• GMANS = General Mining Association of Nova Scotia
• GR&BC = Georgia RR & Banking Co.
• GRR = Georgia Railroad
• GT = Grand Trunk RR
• GULC = Glen Union Lumber Co. (3' gauge), Glen Union, Pennsylvania
• GWP = Great Western Power
• GWR = Great Western RR of Canada
• GWRIl = Great Western Railroad of Illinois
• GWT&P = Gulf, Western Texas & Pacific Railway
• H&B = Hudson & Berkshire Railroad
• H&BL = Hilliard & Bailey's Lumber RR
• H&BTM = Huntington & Broad Top Mountain RR
• H&C = Hancock & Calumet
• H&D = Hastings & Dakota Railroad
• H&NH = Hartford & New Haven
• H&NY = Hackensack & New York
• H&P = Hartford & Providence
• H&S = Hartford & Springfield Railroad
• H&SJ = Hannibal & St. Joseph Railroad
• H&TC = Houston & Texas Central RR, bought by SP
• H&W = Hardwick & Woodbury RR
• HAC = Hawaiian Agricultural Co.
• HB = Hanover Branch; became HJH&G in 1874
• HE&WT = Houston, East & West Texas RR (3' gauge), bought by H&TC
• HERR = Harlem Extension RR
• Hilo = Hilo RR Co.
• HJH&G = Hanover Junction, Hanover & Gettysburg; leased to B&O in 1886
• HMCo = Homestake Mining Co.
• HMRy = Hibernia Mine Ry
• HN&P = Herkimer, Newport & Poland RR
• Hor = Hornos Railroad (Mexico; 2-ft gauge)
• Hou = Housatonic RR
• HPC = Honolulu Plantation Co.
• HR = Hudson River RR, merged into New York Central in 1869
• HRC = Hawaiian RR Co.
• I&A = Ithaca & Athens
• IaC = Iowa Central
• IP&C = Indianapolis, Peru & Chicago Ry
• IR = Illinois River RR.
• Irolo = Irolo RR (3' gauge), Mexico
• IRR = Iron Railroad
• ITx = International Railroad of Texas
• JNW&SE = Jacksonville Northwestern & Southeastern RR
• Juc = Jucaro Railway
• KaRR = Kauai Ry Co.
• KC = Kennebec Central RR
• KPC = Kahuku Plantation Co.
• KPDP = Kansas Pacific - Denver Pacific Ry
• KRR = Kahului RR Co.
• KW&H = Kahului, Wailuku & Hamakupoko RR Co., Kahului RR
• L&B = Lackawanna & Bloomsburg
• L&D = Lexington & Danville
• L&E = Louisisana & Eastern
• L&H = Lordsburg & Hachita
• L&NF = Lockport & Niagara Falls
• L&S = Lehigh & Susquehanna
• L&W = Lackawanna & Western
• LA&I = Los Angeles & Independence RR
• LASP = Los Angeles & San Pedro RR
• LB = Long Beach Land & Water Co, Long Beach RR
• LB&M = La Fayetter, Bloomington & Mississippi RR
• LBC = Little Book Cliff Ry (3' gauge)
• LC&M = La Crosse & Milwaukee Railroad
• LeC = Legend City RR
• LF&SH = Laurel Fork & Sand Hill RR
• LG = Leggetts Gap Railroad
• LIRR = Long Island Rail Road
• LK&P = Lahaina, Kaanapali & Pacific
• LM&B = La Fayette, Muncie & Bloomington RR
• LMCX = Little Miami & Columbus & Xenia RR
• LMRR = Little Miami RR
• LNA&C = Louisville, New Albany & Chicago RR
• LPC = Lihue Plantation Co. (30" gauge)
• LS = Little Schuylkill RR
• LSE = Lake Street Elevated Railroad
• LSMS = Lake Shore & Michigan Southern
• LSNR = Little Schuylkill Nav RR & Coal Co.
• LV = Lehigh Valley
• LW = Louisiana Western RR, bought by SP
• M&C = Memphis & Charleston RR
• M&Ci = Marietta & Cincinnati
• M&E = Morris & Essex RR
• M&GL = Montclair & Greenwood Lake
• M&HR = Mohawk & Hudson River
• M&I = Madison & Indianapolis
• M&M = Mississippi & Missouri Railroad
• M&N = Milwaukee & Northern Railroad
• M&O = Memphis & Ohio
• M&Oh = Mobile & Ohio
• M&P = Maricopa & Phoenix RR, Ex-MP&SR 1/10/1908; to AE 12/1909
• M&PDC = Milwaukee & Prairie du Chien Ry.
• M&S = Middleburgh & Schoharie
• M&Sa = Matanzas & Savanilla Railway
• M&SC = Mansfield & Sandusky City
• M&SP = Milwaukee & St Paul, became part of Milwaukee Road
• M&StL = Minneapolis & St. Louis
• M&SV = Monterey & Slainas Valley RR (3' gauge), bought by SP
• M&V = Merida & Valladolid (3' gauge)
• M&W = Macon & Western
• M&WR = Montpelier & Wells River RR
• Ma&Pa = Maryland & Pennsylvania RR
• Ma&S = Mansfield & Sandusky RR
• MAC = Maui Agricultural Co.
• Mach = Machiasport RR
• MBSC = McBride Sugar Co.
• MC = Michigan Central RR
• MC&T = Mississippi Central & Tennessee
• Mi&W = Milwaukee & Watertown Railroad
• ML&T = Morgan's Louisiana & Texas Railroad & Steamship Company (bought by SP)
• MnC = Minnesota Central Railroad
• Mo&P = Montreal & Plattsburg RR
• MofC = Midland Ry of Canada
• Mont = Montgomery Railroad
• MoRR = Morelos RR (3' gauge), Mexico
• MP&SR = Maricopa, Phoenix & Salt River Valley RR, became M&P
• MPt = Mineral Point Railroad
• MR&LE = Mad River & Lake Erie
• MRR = Mapimi RR (30" gauge), Mexico
• MS = Morenci Southern Ry (3' gauge)
• MT&C = Mexico, Toluca & Cuautitlan RR (3' gauge)
• Musc = Muscogee Railroad
• MV = Miami Valley Ry (3' gauge)
• MV&MT = Mill Valley & Mt. Tamalpais Scenic Ry.
• MWCR = Mount Washington Cog Ry.
• N&C = Nashville & Chattanooga
• N&F = Newcastle & Frenchtown RR
• N&H = Natchez & Hamburg RR
• N&L = Nashua & Lowell RR
• N&PP = Nuevitas & Puerto Principe Railroad
• NA&S = New Albany & Salem RR
• Naug = Naugatuck Railroad
• NB = New Brunswick Ry.
• NC = Nevada Central RR
• NC&F = New Castle & Franklin RR
• NCa = Northern California RR
• NCe = Northern Central Ry, early predecessor of Pennsylvania RR
• NCI = Northern Cross Railroad of Illinois
• NCNG = Nevada County Narrow Gauge RR (3' gauge)
• NE = North Eastern
• NEG = Northeast RR of Georgia
• NESC = North Eastern Railroad of South Carolina
• NH&N = New Haven & Northampton
• NH&NL = New Haven & New London
• NHC = New Hampshire Central RR
• NHM&W = New Haven, Middletown & Willimantic
• NI = Northern Illinois Railroad
• NIRR = Northern Indiana Railroad
• NJM = New Jersey Midland Railway
• NJNY = New Jersey & New York RR
• NJR&T = New Jersey RR & Transportation Co.
• NKP = Nickel Plate Road
• NLN = New London Northern, Vermont
• NLWP = New London, Willimantic & Palmer RR
• NM&SP = New Mexico & Southern Pacific RR
• NNH = Northern Railroad of New Hampshire
• NNY = Northern Railroad of New York
• No&W = Norwich & Worcester RR
• NoC = Norfolk County RR
• NOO&GW = New Orleans, Opelousas & Great Western RR, bought by SP
• NoS = North Shore RR
• NP = Northern Pacific Railway
• NPC = North Pacific Coast (3' gauge)
• NPRR = North Pennsylvania RR
• NSC = Nova Scotia Central
• NSL = Nevada Short Line
• NV = Napa Valley
• NWis = Northern Wisconsin Railway
• NWP = NorthWestern Pacific RR, bought by SP
• NY&E = New York & Erie Railroad
• NY&F = New York & Flushing
• NY&H = New York & Harlem Railroad
• NY&P = New York & Pennsylvania RR
• NYC = New York Central RR
• NYEC = New York Equipment Co.
• NYHL&PCo = New York Heat, Light & Power Co.
• NYOW = New York, Ontario & Western
• NYPB = New York, Providence & Boston RR
• NYSW = New York, Susquehanna & Western
• NYT&M = New York, Texas & Mexican RR, bought by SP
• O&A = Orange & Alexandria
• O&C = Oregon & California RR, bought by CP
• O&CV = Olympia & Chealis Valley (3' gauge)
• O&E = Oaxaca & Ejutla RR (3' gauge)
• O&LC = Ogdensburgh & Lake Champlain
• O&M = Ohio & Mississippi Ry (6' gauge)
• O&S = Oswego & Syracuse
• O&SW = Omaha & Southwestern
• O&T = Ohio & Toledo RR
• OC = Old Colony RR, leased to New Haven RR
• OCRR = Oil Creek RR
• OLtd = Oregonian Ry, Ltd. (3' gauge)
• OPRR = Oregon Portage RR
• OR&LC = Oahu Railway & Land Co.
• OR&N = Oregon Railway & Navigation Co.
• ORR = Ohio Railroad
• OS&H = Ontario, Simcoe & Huron RR
• OSC = Oahu Sugar Co.
• OSNCo = Oregon Steamship & Navigation Co.
• P&AC = Prescott & Arizona Central Ry., Seligman, Ariz.
• P&AV = Pueblo & Arkansas Valley
• P&B = Pioche & Bullionville RR Co.
• P&C = Philadelphia & Columbia
• P&G = Pensacola & Georgia
• P&HR = Paterson & Hudson River RR
• P&I = Peru & Indianapolis RR
• P&K = Portland & Kennebec
• P&NY = Pennsylvania & New York Canal & RR Co.
• P&O = Portland & Ogdensburg RR
• P&Oq = Peoria & Oquawka RR
• P&R = Philadelphia & Reading
• P&Ra = Paterson & Ramapo
• P&RC&I = Philadelphia & Reading Coal & Iron Company
• P&RR = Portsmouth & Roanoke Railroad
• P&SI = Philadelphia & Sea Isle
• P&T = Philadelphia & Trenton RR
• P&W = Providence & Worcester RR
• Pac = Pacific Railroad
• PacMo = Pacific RR of Missouri
• Pan = Panama RR
• PB = Peach Bottom Ry. (3' gauge), Washington state
• PBMC = Port Blakely Mill Co., Kamilche, Washington
• PC&B = Painesville, Conton & Bridgeport RR (3' gauge), became CF&S
• PCGC&C = Pittsburgh & Connellsville Gas, Coal & Coke Co.
• Pen = Peninsular Ry
• PFW&C = Pittsburgh, Fort Wayne & Chicago RR
• PG&N = hiladelphia, Germantown & Norristown RR
• Ph&R = Phillips & Rangeley Railroad
• PiC = Pioneer City RR
• Po&R = Portland & Rochester RR
• Po&W = Potsdam & Watertown
• PoRR = Ponchartrain RR
• PP = Pennsylvania Pacific Ry.
• PP&J = Peoria, Pekin & Jacksonville
• PRR = Pennsylvania RR
• PRV&SP = Pine River Valley & Stevens Point Railroad
• PS&P = Portland, Saco & Portsmouth RR
• PSE = Paragould Southeastern Ry. (3' gauge)
• Q&TL = Quincy & Torch Lake
• QMD = Quartermaster Corps, Fort Monroe, Va.
• QMO&O = Quebec, Montreal, Ottawa & Occidental Ry
• R&B = Rutland & Burlington
• R&C = Read & Campbell RR, Patzcuaro, Mexico
• R&G = Raleigh & Gaston
• R&M = Racine & Mississippi
• R&S = Rensselaer & Saratoga RR
• R&Sh = Rushville & Shelbyville
• R&Sy = Rochester & Syracuse
• RB = Rockville Branch
• RC&BT = Roaring Camp & Big Trees Railroad
• RF&P = Richmond, Fredericksburg & Potomac Railroad
• RGS = Rio Grande Southern (3' gauge)
• RGSW = Rio Grande Southwestern
• RGW = Rio Grande Western (3' gauge)
• RH = Ruby Hill RR Co.
• RL&NF = Rochester, Lockport & Niagara Falls
• RR = Rocky River RR
• Rut = Rutland RR.
• RV = Redwood Valley Railway
• S&C = Stockton & Copperopolis RR, bought by SP
• S&ET = Sabine & East Texas Ry, bought by SP
• S&HV = Scioto & Hocking Valley
• S&I = Stockton & Ione (3' gauge)
• S&In = Steubenville & Indiana
• S&J = Sacramento & Jackson Ry
• S&M = Sangamon & Morgan
• S&ML = Saginaw & Manistee Lumber Co.
• S&NW = Springfield & Northwestern RR
• S&O = Sharpsville & Oakland RR
• S&S = Saratoga & Schenectady
• S&T = Schenectady & Troy
• S&U = Syracuse & Utica RR
• S&W = Saratoga & Washington
• S&WW = Seattle & Walla Walla RR (3' gauge)
• SA&AP = San Antonio & Aransas Pass RR Co, bought by SP
• SB&R = San Bernardino & Redlands RR, bought by SP
• SC = South Carolina Rail Road
• SC&D = Sioux City & Dakota Railroad
• SC&P = St. Croix & Penobscott Railroad
• SC&StP = Sioux City & St. Paul
• SC&TC = Seattle Coal & Transportation Co (3' gauge)
• SCC = Seattle Coal Co. (3' gauge)
• SCC&R = South Carolina Canal & RR
• SCDP = SCDP
• SCMR = Southern California Moto Road Co., bought by SP
• SCNY = Southern Central Railroad (New York)
• SCRC = Santa Cruz RR Co. (3' gauge), bought by SP
• SCRR = Summit County RR
• SCV = Santa Clara Valley RR
• SERR = Southeastern RR
• SF&A = San Francisco & Alameda RR, bought by CP
• SF&NP = San Francisco & North Pacific
• SF&O = San Francisco & Oakland Ry, bought by CP
• SF&SJ = San Francisco & San Jose RR, bought by SP
• SFN = Santa Fe Northern
• SFS = Santa Fe Southern
• SGT = Six Gun Territory
• ShL = Shasta Lumber Co.
• Silv = Silverton RR
• SIR = Staten Island Railway
• SJ&LC = St. Johnsbury & Lake Champlain
• SJ&SN = San Joaquin & Sierra Nevada RR (3' gauge), bought by SP
• SL = Shaver Lake RR
• SL&A = St. Lawrence & Adirondack RR
• SL&IM = St Louis & Iron Mountain RR (5' gauge)
• SLCo = Simpson Logging Co., Shelton, Washington
• SLSF = St. Louis & San Francisco RR, Frisco RR
• SLSVP = Salt Lake, Sevier Valley & Pioche RR Co.
• SMSRy = Stone Mountain Scenic Ry.
• Som = Somerset RR, Maine
• SoV = Sonoma Valley RR
• SP = Southern Pacific RR
• SP&C = St. Paul & Chicago Railroad
• SP&P = Saint Paul & Pacific RR, early predecessor of Milwaukee Road
• SP&SC = St. Paul & Sioux City
• SPdeM = Sud Pacifico de Mexico, subsidiary of SP
• SPRR = South Pictou RR, also called Albion Mines Ry
• SPTx = Southern Pacific Railroad of Texas
• SR = Sandy River Railroad
• SR&RL = Sandy River & Rangeley Lakes Railroad
• SR&SQ = San Rafael & San Quentin
• SRR = Southern RR
• ST = Sutro Tunnel RR (3' gauge)
• ST&E = Stockton Terminal & Eastern
• StAL = Stillmore Air Line Railway
• SV = Sacramento Valley RR, bought by CP
• SW = South Western Railroad
• SyC = Sandy Creek RR, Cortez, Pennsylvania
• T&A = Tennessee & Alabama
• T&B = Troy & Boston RR
• T&G = Troy & Greenbush Railroad
• T&I = Toledo & Illinois RR
• T&MNG = Toledo & Maumee Narrow Gauge RR
• T&N = Toronto & Nipissing RR
• T&NO = Texas & New Orleans RR, bought by SP
• T&R = Troy & Rutland
• T&SL = Texas & St. Louis RR
• TC&D = Tuscumbia, Courtland & Decatur
• TC&SL = Toledo, Cincinnati & St Louis (3' gauge)
• TD&B = Toledo, Delphos & Burlington (3' gauge)
• TD&I = Toledo, Delphos & Indianapolis (3' gauge)
• TMER&L = The Milwaukee Electric Railway & Light Company
• TN&C = Toledo, Norwalk & Cleveland
• Tn&P = Tennessee & Pacific Railroad
• TNG = Tahoe Narrow Gauge RR
• Tonw = Tonawanda
• TRR = Tioga Railroad
• TS&M = Toledo, Saginaw & Muskegon
• TT = Tyler Tap, bought by T&SL
• TxT = Texas Trunk RR, bought by SP
• U&BR = Utica & Black River RR
• U&N = Utah & Northern, Ex-Utah Northern
• UE = Utah Eastern RR Co.
• UP = Union Pacific RR
• USED = United States Engineer Department Railroad
• USM = United States Military RR, operated on trackage rights during the Civil War
• Ut&S = Utica & Schenectady RR
• UW = Utah Western Ry Co.
• V&B = Vicksburg & Brunswick
• V&J = Vicksburg & Jackson RR
• V&M = Vermont & Massachusetts
• V&T = Virginia & Truckee Ry.
• Va&T = Virginia & Tennessee RR
• VC = Virginia Central
• VC&RV = Vanegas, Cedral & Rio Verde RR (3' gauge)
• VLCO = Verdi Lumber Co., Nevada
• VR = Vienna-Raab Ry.
• VRR = Visalia RR, bought by SP
• VS&T = Vicksburg, Shreveport & Texas
• VV = Vermont Valley RR
• VV&CL = Vaca Valley & Clear Lake, Vaca Valley RR; bought by SP
• W&A = Western & Atlantic
• W&Al = Winchester & Alabama
• W&AR = Windsor & Annapolis Railway
• W&JV = Wasatch & Jordan Valley RR Co.
• W&LE = Wheeling & Lake Erie RR
• W&P = Wicomico & Pocomoke RR
• W&R = Watertown & Rome RR
• W&S = Wilmington & Susquehanna RR
• WAC = Waialua Agricultural Co.
• WaSC = Waimanalo Sugar Co.
• WC = Washington County RR (66" gauge), bought by H&TC
• WCRy = Wellington Colliery Ry.
• Wi&P = Winchester & Potomac RR
• Wi&R = Wilmington & Raleigh RR
• WiP = Wiaminlo Plantation
• WMC = Waiakea Mill Co
• WofM = Western RR of Massachusetts
• WR = Ware River RR, Massachusetts
• WRR = Western RR
• WSC = Waiane Sugar Co.
• WStL&P = Wabash, St Louis & Pacific RR
• WT = Whitney Timber Co.
• WU = Western Union Railroad
• WV = Western Vermont RR
• WW&CR = Walla Walla & Columbia River (3' gauge)
• WY&G = Wrightsville, York & Gettysburg RR
• YV = Yosemite Valley Ry.