List of common carrier freight railroads in the United States

Template:Short description Template:Use American English Template:Update Template:Use mdy dates About 700 railroads operate common carrier freight service in the United States. There are about Template:Convert of railroad track in the United States, nearly all standard gauge.

Reporting marks are listed in parentheses.<ref>Railinc, Search MARKs, accessed February 2009</ref>

• A&R Terminal Railroad (ART)
• Aberdeen and Rockfish Railroad (AR)
• Aberdeen, Carolina and Western Railway (ACWR)
• Acadiana Railway (AKDN)
• Adams-Warnock Railway (AWRY)
• Adrian and Blissfield Rail Road (ADBF)
• Affton Terminal Services Railroad (AT)
• Ag Valley Railroad (AVRR)
• Aiken Railway (AIKR)
• Akron Barberton Cluster Railway (AB)
• Alabama and Gulf Coast Railway (AGR) (GWI)
• Alabama and Tennessee River Railway (ATN) (OmniTRAX)
• Alabama Export Railroad (ALE)
• Alabama Southern Railroad (ABS)
• Alabama Warrior Railway (ABWR)
• Alamo Gulf Coast Railroad (AGCR)
• Alamo North Texas Railroad (ANTX)
• Alaska Railroad (ARR)
• Albany and Eastern Railroad (AERC)
• Albany Port Railroad (APD)
• Alexander Railroad (ARC)
• Aliquippa and Ohio River Railroad (AOR)
• Allegheny Valley Railroad (AVR)
• Allentown and Auburn Railroad (ALLN)
• Alton and Southern Railway (ALS)
• AN Railway (AN)
• Angelina and Neches River Railroad (ANR)
• Ann Arbor Railroad (AA)
• Apache Railway (APA)
• Appalachian and Ohio Railroad (AO)
• Arcade and Attica Railroad (ARA)
• Arizona and California Railroad (ARZC)
• Arizona Central Railroad (AZCR)
• Arizona Eastern Railway (AZER)
• Arkansas–Oklahoma Railroad (AOK)
• Arkansas and Missouri Railroad (AM)
• Arkansas Midland Railroad (AKMD) (GWI)
• Arkansas Southern Railroad (ARS) (Watco)
• Arkansas, Louisiana and Mississippi Railroad (ALM) (GWI)
• Ashland Railway (ASRY)
• Ashtabula, Carson and Jefferson Railroad (ACJR)
• AT&L Railroad (ATLT)
• Atlantic and Western Railway (ATW) (GWI)
• Atlantic Railways (ATL)
• Austin Western Railroad (AWRR) (Watco)
• Autauga Northern Railroad (AUT) (Watco)
• B&H Rail Corporation (BH)
• Baja California Railroad (BJRR)
• Ballard Terminal Railroad (BDTL)
• Baton Rouge Southern Railroad (BRS) (Watco)
• Batten Kill Railroad (BKRR)
• Bauxite and Northern Railway (BXN) (GWI)
• Bay Colony Railroad (BCLR)
• Bay Line Railroad (BAYL) (GWI)
• Bayway Terminal Switching Company (BAWT)
• Beech Mountain Railroad (BEEM)
• Bee Line Railroad (BLEX)
• Bellingham International Railroad (BIRR)
• Belt Railway of Chicago (BRC)
• Belvidere and Delaware River Railway (BDRV)
• Bessemer and Lake Erie Railroad (BLE)
• BG&CM Railroad (BGCM)
• Big 4 Terminal Railroad (BFT)
• Big Spring Rail System (BSR)
• Bighorn Divide and Wyoming Railroad (BDW)
• Birmingham Terminal Railway (BHRR)
• Belpre Industrial Parkersburg Railroad (BIP)
• Black River and Western Corporation (BRW)
• Blacklands Railroad (BLR)
• Blackwell Northern Gateway Railroad (BNG)
• Bloomer Line (BLOL)
• Blue Rapids Railway (BLRR)
• Blue Ridge Southern Railroad (BLU)
• BNSF Railway (BNSF)
• Bogalusa & Northern Railway (BNR)
• Boise Valley Railroad (BVRR)
• Boone and Scenic Valley Railroad (BSVY)
• Border Pacific Railroad (BOP)
• Brandywine Valley Railroad (BVRY)
• Branford Steam Railroad (BRFD)
• Bridgeport Switching Company (BPSC)
• Brownsville and Rio Grande International Railroad (BRG)
• Buckingham Branch Railroad (BB)
• Bucyrus Industrial Railroad (BIR)
• Buffalo and Pittsburgh Railroad (BPRR)
• Buffalo Southern Railroad (BSOR)
• Burlington Junction Railway (BJRY)
• Burns Harbor Shortline Railroad (BHS)
• Butte, Anaconda and Pacific Railway (BAP)
• Caldwell County Railroad (CWCY)
• California Northern Railroad (CFNR)
• Camden and Southern Railroad (CSR)
• Camp Chase Railway (CAMY)
• Canadian National Railway (CN)
• Caney Fork and Western Railroad (CFWR)
• Canton Railroad (CTN)
• Cape Fear Railways (CF)
• Cape May Seashore Lines (CMSL)
• Carolina Coastal Railway (CLNA)
• Carolina Piedmont Railroad (CPDR)
• Cascade and Columbia River Railroad (CSCD)
• CaterParrott Railnet (CPR)
• Cedar Rapids and Iowa City Railway (CIC)
• Central California Traction Company (CCT)
• Central Indiana and Western Railroad (CEIW)
• Central Montana Rail, Inc. (CM)
• Central New England Railroad (CNZR)
• Central New York Railroad (CNYK)
• Central Oregon and Pacific Railroad (CORP)
• Central Railroad of Indiana (CIND) (GWRR)
• Central Railroad of Indianapolis (CERA)
• Central Washington Railroad (CWRR)
• CGB Shortline Railroad (CGRX)
• CG Railway (CGR)
• Charlotte Southern Railroad (CHS)
• Charlotte Western Railroad (CER)
• Chattahoochee Industrial Railroad (CIRR)
• Chattooga and Chickamauga Railway (CCKY)
• Chesapeake and Albemarle Railroad (CA)
• Chesapeake and Indiana Railroad (CKIN)
• Chessie Logistics (CLCY)
• Chestnut Ridge Railroad (CHR)
• Chicago–Chemung Railroad (CCUO)
• Chicago Junction Railway (CJRY)
• Chicago Port & Rail (CPRL)
• Chicago Port Railroad (CPC)
• Chicago Rail Link (CRL)
• Chicago South Shore and South Bend Railroad (CSS)
• Chicago, Fort Wayne and Eastern Railroad (CFE)
• Chicago, St. Paul & Pacific Railroad (CSP)
• Cicero Central Railroad (CECR)
• Cimarron Valley Railroad (CVR)
• Cincinnati Eastern Railroad (CCET)
• City of Prineville Railway (COP)
• Clackamas Valley Railroad (CVLY)
• Clarendon and Pittsford Railroad (CLP)
• Cleveland and Cuyahoga Railroad (CCRL)
• Cleveland Port Railroad (CHB)
• Cleveland Terminal & Valley Railroad (CTV)
• Cleveland Works Railway (CWRO)
• Clinton Terminal Railroad (CTR)
• Cloquet Terminal Railroad (CTRR)
• CMC Railroad (CMC)
• Colorado Pacific Railroad (CXR)
• Colorado Pacific Rio Grande Railroad (CXRG)
• Coffeen and Western Railroad (CAEG)
• Colorado and Wyoming Railway (CW)
• Columbia and Cowlitz Railway (CLC)
• Columbia Basin Railroad (CBRW)
• Columbia Shipyards Railroad (CSBP)
• Columbia Terminal Railroad (CT)
• Columbia-Walla Walla Railway (CWW)
• Columbus and Chattahoochee Railroad (CCH)
• Columbus and Greenville Railway (CAGY)
• Columbus and Ohio River Rail Road (CUOH)
• Commonwealth Railway (CWRY)
• Conecuh Valley Railroad (COEH)
• Connecticut Southern Railroad (CSOR)
• Coopersville and Marne Railway (CPMY)
• Coos Bay Rail Link (CBRL)
• Copper Basin Railway (CBRY)
• Cornhusker Railroad (CNRR)
• CPKC Railway (CPKC)
• Crab Orchard and Egyptian Railway (COER)
• CSX Transportation (CSXT)
• D&I Railroad (DAIR)
• D&W Railroad (DWRV)
• Dakota Northern Railroad (DN)
• Dakota Southern Railway (DSRC)
• Dakota, Missouri Valley and Western Railroad (DMVW)
• Dallas, Garland and Northeastern Railroad (DGNO)
• Dardanelle and Russellville Railroad (DR)
• Davenport Industrial Railroad (DIR)
• De Queen and Eastern Railroad (DQE)
• Decatur & Eastern Illinois Railroad (DREI)
• Decatur Junction Railway (DT)
• Delaware and Raritan River Railroad (DRRR)
• Delaware–Lackawanna Railroad (DL)
• Delray Connecting Railroad (DC)
• Delmarva Central Railroad (DCR)
• Delta Southern Railroad (DSRR)
• Delta Valley and Southern Railway (DVS)
• Denver Rock Island Railroad (DRIR)
• Depew, Lancaster and Western Railroad (DLWR)
• Deseret Power Railroad (DPRW)
• Detroit Connecting Railroad (DCON)
• DFW & Southern Railway (DFWS)
• Dover and Delaware River Railroad (DD)
• Dover & Rockaway River Railroad (DRRV)
• Drake Switching Company (DSC)
• Dubois County Railroad (DCRR)
• Dutchtown Southern Railroad (DUSR)
• East Brookfield and Spencer Railroad (EBSR)
• East Camden and Highland Railroad (EACH)
• East Chicago Rail Terminal (ECRT)
• East Cooper and Berkeley Railroad (ECBR)
• East Erie Commercial Railroad (EEC)
• East Jersey Railroad (EJR)
• East Ohio Valley Railway (EOVR)
• East Penn Railroad (ESPN)
• East Tennessee Railway (ETRY)
• East Terminal Railway (ECTR)
• East Troy Electric Railroad (METW)
• Eastern Alabama Railway (EARY)
• Eastern Idaho Railroad (EIRR)
• Eastern Kentucky Railway Company (EKRC)
• Eastern Maine Railway (EMRY)
• Effingham Railroad (EFRR)
• El Dorado and Wesson Railway (EDW)
• Elizabethtown Industrial Railroad (EZR)
• Elkhart and Western Railroad (EWR)
• Ellis and Eastern Company (EE)
• Elwood, Joliet & Southern Railroad (EJSR)
• Escanaba and Lake Superior Railroad (ELS)
• Evansville Western Railway (EVWR)
• Everett Railroad (EV)
• Fairfield Southern Company (FS)
• Falls Road Railroad (FRR)
• Farmrail Corporation (FMRC)
• FFG&C Railroad (FFGC)
• Finger Lakes Railway (FGLK)
• First Coast Railroad (FCRD)
• Flats Industrial Railroad (FIR)
• Florida Central Railroad (FCEN)
• Florida East Coast Railway (FEC)
• Florida Gulf & Atlantic Railroad (FGAR)
• Florida Midland Railroad (FMID)
• Florida Northern Railroad (FNOR)
• Fore River Transportation Corporation (FRVT)
• Fort Smith Railroad (FSR)
• Fort Worth and Western Railroad (FWWR)
• Fox Valley & Lake Superior Rail System (FOXY)
• Fredonia Valley Railroad (FVRR)
• Fulton County Railroad (FC)
• Fulton County Railway (FCR)
• Galveston Railroad (GVSR)
• Garden City Western Railway (GCW)
• Gardendale Railroad (GRD)
• Gary Railway (GRW)
• Gateway Industrial Railroad (GIRR)
• Geaux Geaux Railroad (GOGR)
• Georgetown Railroad (GRR)
• Georgia and Florida Railway (GFRR)
• Georgia Central Railway (GC)
• Georgia Northeastern Railroad (GNRR)
• Georgia Southern Railway (GS)
• Georgia Southwestern Railroad (GSWR)
• Georgia Woodlands Railroad (GWRC)
• Gettysburg and Northern Railroad (GET)
• GG Railroad (GGRR)
• Golden Isles Terminal Railroad (GITM)
• Golden Triangle Railroad (GTRA)
• Goose Lake Railway (GLRY)
• Grafton and Upton Railroad (GU)
• Grainbelt Corporation (GNBC)
• Grand Elk Railroad (GDLK)
• Grand Rapids Eastern Railroad (GR)
• Grand River Railway (GRRL)
• Great Basin & Northern Railroad (GBN)
• Great Lakes Central Railroad (GLC)
• Great Northwest Railroad (GRNW)
• Great Walton Railroad (GRWR)
• Great Western Railway of Colorado (GWR)
• Green Mountain Railroad (GMRC)
• Greenville and Western Railway (GRLW)
• Grenada Railway (GRYR)
• Gulf & Ship Island Railroad (GSIR)
• Gulf Coast Switching (GCSX)
• Hainesport Secondary Railroad (HSCR)
• Hamilton Northwestern Railroad (HNW)
• Hampton and Branchville Railroad (HB)
• Hartwell Railroad (HRT)
• Heart of Georgia Railroad (HOG)
• Heritage Railroad (HR)
• Herrin Railroad (HRRL)
• Hilton & Albany Railroad (HAL)
• Hondo Railway (HRR)
• Hood River Railroad (DBA Mount Hood Railroad) (MH)
• Hoosier Southern Railroad (HOS)
• Housatonic Railroad (HRRC)
• Huntsville and Madison County Railroad Authority (HMCR)
• Huron and Eastern Railway (HESR)
• Hussey Terminal Railroad (HTRC)
• Idaho Northern and Pacific Railroad (INPR)
• Illinois and Midland Railroad (IMRR)
• Illinois Railway (IR)
• Illinois Western Railroad (ILW)
• Indiana and Ohio Railway (IORY)
• Indiana Eastern Railroad (IERR)
• Indiana Harbor Belt Railroad (IHB)
• Indiana Northeastern Railroad (IN)
• Indiana Rail Road (INRD)
• Indiana Southern Railroad (ISRR)
• Indiana Southwestern Railway (ISW)
• Illinois Terminal Belt Railroad (ITB)
• Iowa Interstate Railroad (IAIS)
• Iowa Northern Railway (IANR)
• Iowa River Railroad (IARR)
• Iowa Southern Railway (ISRY)
• Iowa Traction Railroad (IATR)
• Itawamba Mississippian Railway (IMR)
• Ithaca Central Railroad (ITHR)
• Jackson & Lansing Railroad (JAIL)
• Jacksonville Port Terminal Railroad (JXPT)
• Joppa and Eastern Railroad (JE)
• Juniata Valley Railroad (JVRR)
• Kanawha River Railroad (KNWA)
• Kankakee, Beaverville and Southern Railroad (KBSR)
• Kansas and Oklahoma Railroad (KO)
• Kansas City Transportation Lines (KCTL)
• Kaw River Railroad (KAW)
• Kendallville Terminal Railway (KTR)
• Kennewick Terminal Railroad (KET)
• Kentucky and Tennessee Railway (KT)
• Keokuk Junction Railway (KJRY)
• Kiamichi Railroad (KRR)
• Kingman Terminal Railroad (KGTR)
• Kinston Railroad (KR)
• Klamath Northern Railway (KNOR)
• KM Railways (KM)
• Knoxville and Cumberland Gap Railroad (KXCG)
• Knoxville and Holston River Railroad (KXHR)
• KS Railroad (KSRR)
• KWT Railway (KWT)
• Kyle Railroad (KYLE)
• Lake Michigan and Indiana Railroad (LMIC)
• Lake State Railway (LSRC)
• Lake Superior and Ishpeming Railroad (LSI)
• Lake Terminal Railroad (LT)
• Lancaster and Chester Railway (LC)
• LVR Railroad (LVR)
• Lapeer Industrial Railroad (LIRR)
• LaSalle Railway (LSRY)
• Laurinburg and Southern Railroad (LRS)
• Lehigh Valley Rail Management (LVRM)
• Little Kanawha River Railroad (LKRR)
• Little Rock and Western Railway (LRWN)
• Little Rock Port Authority Railroad (LRPA)
• Live Oak Railroad (LOR)
• Livonia, Avon and Lakeville Railroad (LAL)
• Longview Switching Company (LVSW)
• Louisiana and Delta Railroad (LDRR)
• Louisiana and North West Railroad (LNW)
• Louisiana Southern Railroad (LAS)
• Louisville and Indiana Railroad (LIRC)
• Lubbock and Western Railway (LBWR)
• Lucas Oil Rail Lines (LORL)
• Luxapalila Valley Railroad (LXVR)
• Lycoming Valley Railroad (LVRR)
• M&B Railroad (MNBR)
• Madison Railroad (CMPA)
• Mahoning Valley Railway (MVRY)
• Maine Northern Railway (MNRY)
• Manning Rail (MANN)
• Manufacturers' Junction Railway (MJ)
• Marquette Rail, LLC (MQT)
• Maryland and Delaware Railroad (MDDE)
• Maryland Midland Railway (MMID)
• Massachusetts Central Railroad (MCER)
• Massachusetts Coastal Railroad (MC)
• Massena Terminal Railroad (MSTR)
• McKees Rocks Railroad (PAM)
• Meeker Southern Railroad (MSN)
• Merced County Central Valley Railroad (MCVR)
• Meridian Southern Railway (MDS)
• MG Rail, Inc. (MGRI)
• Michigan Shore Railroad (MS)
• Michigan Southern Railroad (MSO)
• Midcoast Railservice (FGLK)
• Mid-Michigan Railroad (MMRR)
• Middletown and Hummelstown Railroad (MIDH)
• Middletown and New Jersey Railroad (MNJ)
• Midway Southern Railway (MWS)
• Milford-Bennington Railroad (MBRX)
• Mineral Range Railroad (MRAX)
• Minnesota Commercial Railway (MNNR)
• Minnesota Northern Railroad (MNN)
• Minnesota Prairie Line, Inc. (MPLI)
• Minnesota, Dakota and Western Railway (MDW)
• Mission Mountain Railroad (MMT)
• Mississippi Central Railroad (MSCI)
• Mississippi Delta Railroad (MSDR)
• Mississippi Export Railroad (MSE)
• Mississippi Southern Railroad (MSR)
• Mississippi Tennessee Railroad (MTNR)
• Missouri and Northern Arkansas Railroad (MNA)
• Missouri Eastern Railroad (MER)
• Missouri North Central Railroad (MNC)
• Modesto and Empire Traction Company (MET)
• Mohawk, Adirondack and Northern Railroad (MHWA)
• Morristown and Erie Railway (ME)
• Moscow, Camden and San Augustine Railroad (MCSA)
• Mountain Pacific Railroad (MPR)
• Mount Vernon Terminal Railway (MVT)
• Napoleon, Defiance & Western Railroad (NDW)
• Natchez Railway (NTZR)
• Naugatuck Railroad Company (NAUG)
• Northampton Switching Company (NDCR)
• Nebraska Central Railroad (NCRC)
• Nebraska Kansas Colorado Railway (NKCR)
• Nebraska Northwestern Railroad (NNW)
• New Castle Industrial Railroad (NCIR)
• New Castle Southern Railroad (NCSR)
• New Century AirCenter Railroad (JCAX)
• New England Central Railroad (NECR)
• New England Southern Railroad (NEGS)
• New Hampshire Central Railroad (NHCR)
• New Hampshire Northcoast Corporation (NHN)
• New Hope and Ivyland Railroad (NHRR)
• New Jersey Rail Carriers, LLC (NJRC)
• New Jersey Seashore Lines (NJSL)
• New Orleans and Gulf Coast Railway (NOGC)
• New Orleans Public Belt Railroad (NOPB)
• New York and Atlantic Railway (NYA)
• New York and Lake Erie Railroad (NYLE)
• New York and Ogdensburg Railway (NYOG)
• New York New Jersey Rail, LLC (NYNJ)
• New York, Susquehanna and Western Railway (NYSW)
• Newburgh and South Shore Railroad (NSR)
• Nittany and Bald Eagle Railroad (NBER)
• Norfolk and Portsmouth Belt Line Railroad (NPB)
• Norfolk Southern Railway (NS)
• North Carolina and Virginia Railroad (NCVA)
• North Louisiana & Arkansas Railroad (NLA)
• North Shore Railroad (NSHR)
• Northeast Texas Connector (NETC)
• Northern Lines Railway (NLR)
• Northern Ohio and Western Railway (NOW)
• Northern Plains Railroad (NPR)
• Northwestern Oklahoma Railroad (NOKL)
• Oakland Global Rail Enterprise (OGRE)
• Ogeechee Railway (ORC)
• Ohio Central Railroad (OHCR)
• Ohio South Central Railroad (OSCR)
• Ohio Southern Railroad (OSRR)
• Oil Creek and Titusville Lines, Inc. (OCTL)
• Old Augusta Railroad (OAR)
• Olympia and Belmore Railroad (OLYO)
• Omaha, Lincoln and Beatrice Railway (OLB)
• Ontario Central Railroad (ONCT)
• Ontario Midland Railroad (OMID)
• Orange Port Terminal Railway (OPT)
• Oregon Eastern Railroad (OERR)
• Oregon Independence Railroad (OIRR)
• Oregon Pacific Railroad (OPR)
• Ottawa Northern Railroad (ONR)
• Otter Tail Valley Railroad (OTVR)
• Ouachita Railroad (OUCH)
• Ozark Valley Railroad (OVRR)
• Pacific Harbor Line, Inc. (PHL)
• Paducah and Louisville Railway (PAL)
• Palouse River and Coulee City Railroad (PCC)
• Palmetto Railways (PR)
• Panhandle Northern Railroad (PNR)
• Pecos Valley Southern Railway (PVS)
• Pee Dee River Railway (PDRR)
• Pend Oreille Valley Railroad (POVA)
• Peninsula Terminal Company (PT)
• Pennsylvania and Southern Railway (PSCC)
• Pennsylvania Southwestern Railroad (PSWR)
• Perry County Railroad (PCYR)
• Peru Industrial Railroad (PIRR)
• Pickens Railway (PICK)
• Pioneer Industrial Railroad (PRY)
• Pioneer Valley Railroad (PVRR)
• Pittsburgh and Ohio Central Railroad (POHC)
• Plainsman Switching Company (PSC)
• Plainview Terminal Company (PTM)
• Point Comfort and Northern Railway (PCN)
• Port of Catoosa Industrial Railroad (PCIR)
• Port Bienville Railroad (PBVR)
• Port Harbor Railroad (PHRR)
• Port Liberty Container Terminal ExpressRail (PLCT)
• Port Jersey Railroad (PJR)
• Port Manatee Railroad (PMR)
• Port Rail, Inc (PRI)
• Port Terminal Railroad Association (PTRA)
• Port Terminal Railroad of South Carolina (PTR)
• Portland and Western Railroad (PNWR)
• Portland Terminal Railroad (PTRC)
• Portland Vancouver Junction Railroad (PVJR)
• Prescott and Northwestern Railroad (PNW)
• Progressive Rail, Inc. (PGR)
• Providence and Worcester Railroad (PW)
• Puget Sound and Pacific Railroad (PSAP)
• Quincy Railroad (QRR)
• Rainer Rail (RR)
• Raleigh and Fayetteville Railroad (RFCC)
• Rawhide Short Line (RHSL)
• R.J. Corman Railroad/Allentown Lines (RJCN)
• R.J. Corman Railroad/Bardstown Line (RJCR)
• R.J. Corman Railroad/Carolina Line (RJCA)
• R.J. Corman Railroad/Central Kentucky Lines (RJCC)
• R.J. Corman Railroad/Cleveland Line (RJCL)
• R.J. Corman Railroad/Lehigh Line (LRWY)
• R.J. Corman Railroad/Luzerne & Susquehanna Line (LS)
• R.J. Corman Railroad/Memphis Line (RJCM)
• R.J. Corman Railroad/Nashville & Eastern Line (NERR)
• R.J. Corman Railroad/Nashville & Western Line (NWR)
• R.J. Corman Railroad/Owego & Harford Line (OHRY)
• R.J. Corman Railroad/Pennsylvania Lines (RJCP)
• R.J. Corman Railroad/Tennessee Terminal (RJCK)
• R.J. Corman Railroad/Texas Lines (RJCD)
• R.J. Corman Railroad/West Virginia Line (RJCV)
• R.J. Corman Railroad/Western Ohio Lines (RJCW)
• Rapid City, Pierre and Eastern Railroad (RCPE)
• Raritan Central Railway (RCRY)
• Reading Blue Mountain and Northern Railroad (RBMN)
• Red River Valley and Western Railroad (RRVW)
• Republic N&T Railroad (NTRY)
• Riceboro Southern Railway (RSOR)
• Richmond Pacific Railroad (RPRC)
• Ringneck and Western Railroad (RWRR)
• Rio Valley Switching Company (RVSC)
• Ripley & New Albany Railroad (RNAB)
• River Ridge Railroad (RRR)
• Riverport Railroad (RVPR)
• Rochester and Erie Railroad (RER)
• Rochester and Southern Railroad (RSR)
• Rochester Switching Services (RSS)
• Rock & Rail LLC (RRRR)
• Rogue Valley Terminal Railroad Corporation (RVT)
• Republic Short Line (RSL)
• S&L Railroad (SLGG)
• Sabine River and Northern Railroad (SRN)
• Sacramento Southern Railroad (SSRR)
• Sacramento Valley Railroad (SAV)
• Salt Lake, Garfield and Western Railway (SLGW)
• San Antonio Central Railroad (SAC)
• San Diego and Imperial Valley Railroad (SDIY)
• San Francisco Bay Railway (SFBR)
• San Joaquin Valley Railroad (SJVR)
• San Manuel Arizona Railroad (SMA)
• San Luis Central Railroad (SLC)
• San Pedro Valley Railroad (SPVR)
• Santa Teresa Southern Railroad (STSR)
• Sand Springs Railway (SS)
• Sandersville Railroad (SAN)
• Santa Cruz, Big Trees and Pacific Railway (SCBG)
• Santa Maria Valley Railroad (SMV)
• Savage Bingham and Garfield Railroad (SBG)
• Savage Tooele Railroad (SVGX)
• Savannah and Old Fort Railroad (SVHO)
• Savannah Industrial Transportation (SIT)
• Savannah Port Terminal Railroad (SAPT)
• Seaview Railroad (SVTX)
• Seminole Gulf Railway (SGLR)
• SEMO Port Railroad (SE)
• Sequatchie Valley Switching Company (SQSC)
• Shamokin Valley Railroad (SVRR)
• Shenandoah Valley Railroad (SV)
• Sierra Northern Railway (SERA)
• Sisseton Milbank Railroad (SMRR)
• SJRE Railroad (SJRE)
• SMS Rail Service, Inc. (SLRS)
• Spokane, Spangle & Palouse Railway (SSPR)
• South Branch Valley Railroad (SBVR)
• South Buffalo Railway (SB)
• South Carolina Central Railroad (SCRF)
• South Central Florida Express, Inc. (SCXF)
• South Central Tennessee Railroad (SCTR)
• South Chicago and Indiana Harbor Railway (SCIH)
• South Kansas and Oklahoma Railroad (SKOL)
• South Plains Lamesa Railroad (SLAL)
• South Point and Ohio Railroad (SPOR)
• Southern Electric Railroad Company (SERC)
• Southern Railroad of New Jersey (SRNJ)
• Southern Switching Company (SSC)
• Southwest Gulf Railroad (SWG)
• Southwest Pennsylvania Railroad (SWP)
• Southwestern Railroad (SW)
• Squaw Creek Southern Railroad (SCS)
• St. Croix Valley Railroad (SCXY)
• St. Lawrence and Atlantic Railroad (SLR)
• St. Maries River Railroad (STMA)
• St. Marys Railroad (SM)
• St. Marys Railway West (SMW)
• Stillwater Central Railroad (SLWC)
• St. Paul and Pacific Northwest Railroad (SPPN)
• St. Paul and Pacific Railroad (SPPR)
• Stockton Terminal and Eastern Railroad (STE)
• Stourbridge Railroad (SBRR)
• Strasburg Rail Road (SRC)
• Swan Ranch Railroad (SRRR)
• Tacoma Rail (TMBL)
• Tazewell and Peoria Railroad (TZPR)
• Temple and Central Texas Railway (TC)
• Tennessee Southern Railroad (TSRR)
• Tennken Railroad (TKEN)
• Terminal Railroad Association of St. Louis (TRRA)
• Terminal Railway Alabama State Docks (TASD)
• Texas & New Mexico Railroad (TXN)
• Texas and Eastern Railroad (TESR)
• Texas and Northern Railway (TN)
• Texas and Oklahoma Railroad (TXOR)
• Texas Central Business Lines Corporation (TCB)
• Texas City Terminal Railway (TCT)
• Texas Coastal Bend Railroad (TCBR)
• Texas North Western Railway (TXNW)
• Texas Northeastern Railroad (TNER)
• Texas Pacifico Transportation (TXPF)
• Texas Rock Crusher Railway (TXR)
• Texas, Gonzales and Northern Railway (TXGN)
• Thermal Belt Railway (TBRY)
• Three Notch Railroad (TNHR)
• Timber Rock Railroad (TIBR)
• Toledo Industrial Railroad (TIR)
• Toledo Junction Railroad (TJR)
• Toledo, Peoria and Western Railway (TPW)
• Tomahawk Railway (TR)
• Tradepoint Rail (TPR)
• Trona Railway (TRC)
• Tulsa–Sapulpa Union Railway (TSU)
• Turners Island, LLC (TI)
• Twin Cities and Western Railroad (TCWR)
• Tyburn Railroad (TYBR)
• Tyner Terminal Railway (TYNT)
• Union City Terminal Railroad (UCTR)
• Union County Industrial Railroad (UCIR)
• Union Pacific Railroad (UP)
• Union Railroad (URR)
• Upper Merion and Plymouth Railroad (UMP)
• Utah Railway (UTAH)
• Utah Central Railway (UCRY)
• V&S Railway (VSR)
• Valdosta Railway (VR)
• Vandalia Railroad (VRRC)
• Ventura County Railroad (VCRR)
• Vermilion Valley Railroad (VVRR)
• Vermont Railway (VTR)
• Vicksburg Southern Railroad (VSOR)
• Virginia Southern Railroad (VSRR)
• Wabash Central Railroad (WBCR)
• Walking Horse Railroad (WHRR)
• Wallowa Union Railroad Authority (WURR)
• Warren and Saline River Railroad (WSR)
• Warren and Trumbull Railroad (WTRM)
• Washington County Railroad (WACR)
• Washington Eastern Railroad (WERR)
• Washington Royal Line (WRL)
• Wellsboro and Corning Railroad (WCOR)
• West Belt Railway (WBRW)
• West Isle Line (WFS)
• West Michigan Railroad (WMI)
• West Tennessee Railroad (WTNN)
• Western Maryland Scenic Railroad (WMSR)
• Western New York and Pennsylvania Railroad (WNYP)
• Western Rail Road (WRRC)
• Wheeling and Lake Erie Railway (WE)
• Wichita Terminal Association (WTA)
• Wichita, Tillman and Jackson Railway (WTJR)
• Willamette Valley Railway (WVR)
• Wilmington Terminal Railroad (WTRY)
• Wilmington and Western Railroad (WWRC)
• Winchester and Western Railroad (WW)
• Winston-Salem Southbound Railway (WSS)
• Wiregrass Central Railroad (WGCR)
• Wisconsin and Southern Railroad (WSOR)
• Wisconsin Great Northern Railroad (WGNS)
• Wisconsin Northern Railroad (WN)
• Wolf Creek Railroad (WCKR)
• Yak Rail, LLC (YCR)
• Yadkin Valley Railroad (YVRR)
• Yellowstone Valley Railroad (YSVR)
• York Railway (YRC)
• Youngstown and Austintown Railroad (YARR)
• Youngstown and Southeastern Railroad (YSRR)
• Youngstown Belt Railroad (YB)
• Yreka Western Railroad (YW)
• Zemba Rail Services (ZEMBA)

See also

• List of Canadian railways
• Reporting mark
• List of defunct railroads of North America
• Narrow gauge railroads in the United States
• List of U.S. Class I railroads
• Transportation in the United States
• Oldest railroads in North America