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There are approximately 150,000 miles (240,000 km) of railroad track in the United States, nearly all standard gauge. The following is a partial list of United States railroads which currently operate there. For former railroads, see List of defunct United States railroads.

List of United States railroads by political division	Image:Flag of the United States.svg
Alabama · Alaska · Arizona · Arkansas · California · Colorado · Connecticut · Delaware · Florida · Georgia · Hawaii · Idaho · Illinois · Indiana · Iowa · Kansas · Kentucky · Louisiana · Maine · Maryland · Massachusetts · Michigan · Minnesota · Mississippi · Missouri · Montana · Nebraska · Nevada · New Hampshire · New Jersey · New Mexico · New York · North Carolina · North Dakota · Ohio · Oklahoma · Oregon · Pennsylvania · Rhode Island · South Carolina · South Dakota · Tennessee · Texas · Utah · Vermont · Virginia · Washington · West Virginia · Wisconsin · Wyoming
District of Columbia · Puerto Rico
See also: List of defunct United States railroads

Contents 1 Class I railroads 2 Regional railroads 3 Local railroads 4 Switching and terminal railroads 5 Non-common carriers 6 Unknown classification 7 Passenger railroads 7.1 Excursion and tourist railroads 8 Canadian railroads also operating in the U.S. 9 Mexican railroads also operating in the U.S. 10 See also 11 References 12 External links

[edit] Class I railroads

• BNSF Railway (BNSF) [1]
• CSX Transportation (CSXT) [2]
• Guilford Rail System (GRS) [3]
• Kansas City Southern Railway (KCS) [4]
• Norfolk Southern Railway (NS) [5]
• Union Pacific Railroad (UP) [6]
• Canadian National Railway (CN) [7]
• Canadian Pacific Railway (CP) [8]

[edit] Regional railroads

• Alabama and Gulf Coast Railway (AGR) [9]
• Alaska Railroad (ARR) [10]
• Bessemer and Lake Erie Railroad (BLE)
• Buffalo and Pittsburgh Railroad (BPRR) [11]
• Central Oregon and Pacific Railroad (CORP) [12]
• Dakota, Minnesota and Eastern Railroad (DME) [13]
• Dakota, Missouri Valley and Western Railroad (DMVW) [14]
• Duluth, Missabe and Iron Range Railway (DMIR)
• Elgin, Joliet and Eastern Railway (EJE) [15]
• Florida East Coast Railway (FEC) [16]
• Iowa, Chicago and Eastern Railroad (ICE) [17]
• Iowa Interstate Railroad (IAIS) [18]
• Kansas and Oklahoma Railroad (CKRY) [19]
• Kyle Railroad (KYLE) [20]
• Missouri and Northern Arkansas Railroad (MNA) [21]
• Montana Rail Link (MRL) [22]
• Montreal, Maine and Atlantic Railway (MMA) [23]
• Nebraska, Kansas and Colorado RailNet (NKCR)
• Nebraska Central Railroad (NCRC) [24]
• Nebraska Northeastern Railway (NENE)
• New York, Susquehanna and Western Railway (NYSW) [25]
• Northern Plains Railroad
• Paducah and Louisville Railway (PAL) [26]
• Palouse River and Coulee City Railroad (PCC) [27]
• Portland and Western Railroad (PNWR) [28]
• Providence and Worcester Railroad (PW) [29]
• Red River Valley and Western Railroad (RRVW) [30]
• South Kansas and Oklahoma Railroad (SKOL) [31]
• Springfield Terminal Railway (ST)
• Texas Mexican Railway (TM)
• Texas Pacifico Transportation
• Tuscola and Saginaw Bay Railway (TSBY) [32]
• Wheeling and Lake Erie Railway (WE) [33]
• Wisconsin and Southern Railroad (WSOR) [34]

[edit] Local railroads

• Aberdeen, Carolina and Western Railway (ACWR) [35]
• Aberdeen and Rockfish Railroad (AR) [36]
• Acadiana Railway (AKDN)
• Alabama and Tennessee River Railway (ATN?) [37]
• Albany and Eastern Railroad (AERC) [38]
• Alexander Railroad (ARC) [39]
• Algers, Winslow and Western Railway (AWW)
• Aliquippa and Ohio River Railroad
• Almanor Railroad (AL)
• AN Railway (AN)
• Angelina and Neches River Railroad (ANR) [40]
• Ann Arbor Railroad (AA) [41]
• Apache Railway (APA)
• Arcade and Attica Railroad (ARA) [42]
• Arizona and California Railroad (ARZC) [43]
• Arizona Central Railroad (AZCR) [44]
• Arizona Railroad
• Arkansas and Missouri Railroad (AM) [45]
• Arkansas and Oklahoma Railroad
• Arkansas, Louisiana and Mississippi Railroad (ALM) [46]
• Arkansas Midland Railroad (AKMD) [47]
• Ashland Railway (ASRY)
• AT&L Railroad (ATLT)
• Athens Line (ABR)
• Atlantic and Western Railway (ATW)
• B&H Rail Corporation (BH) [48]
• Batten Kill Railroad
• Bauxite and Northern Railway (BXN)
• Bay Colony Railroad (BCLR) [49]
• Bay Line Railroad (BAYL)
• Belvidere and Delaware River Railway (BDRV) [50]
• Blacklands Railroad (BLR) [51]
• Blackwell and Northern Railway (BNR)
• Bloomer Line (BLOL)
• Border Pacific Railroad (BOP) [52]
• Buckingham Branch Railroad (BB) [53]
• Caddo Valley Railroad
• Caldwell County Railroad (CWCY)
• Caney Fork and Western Railroad (CFWR)
• Carolina Coastal Railway
• Carolina Southern Railroad (CALA)
• Carrizo Gorge Railway (CZRY) [54]
• Cascade and Columbia River Railroad (CSCD) [55]
• Catskill Mountain Railroad (CMRR) [56]
• Cedar Rapids and Iowa City Railway (CIC) [57]
• Central Columbiana and Pennsylvania Railway (CQPA)
• Central Michigan Railway (CMGN)
• Central Montana Rail (CM)
• Central New England Railroad (CNZR)
• Central Railroad of Indiana (CIND) [58]
• Central Railroad of Indianapolis (CERA) [59]
• Chattahoochee and Gulf Railroad (CHAT)
• Chattahoochee Industrial Railroad (CIRR)
• Chattooga and Chickamauga Railway (CCKY) [60]
• Chesapeake and Albemarle Railroad (CA) [61]
• Chicago SouthShore and South Bend Railroad (CSS) [62]
• City of Prineville Railway (COP) [63]
• Claremont Concord Railroad (CCRR) [64]
• Clarendon and Pittsford Railroad (CLP) [65]
• Colorado, Kansas and Pacific Railway
• Columbia Basin Railroad (CBRW) [66]
• Columbia and Cowlitz Railway (CLC)
• Columbus and Greenville Railway (CAGY) [67]
• Columbus and Ohio River Rail Road (CUOH) [68]
• Commonwealth Railway (CWRY) [69]
• Conecuh Valley Railroad (COEH)
• Connecticut Southern Railroad (CSO) [70]
• Copper Basin Railway (CBRY)
• D and I Railroad (DAIR) [71]
• Dakota Northern Railroad<ref>Altamont Press (February 6 2006), North Dakota gets a new railroad: BNSF sheds more area branch lines. Retrieved February 6 2006.</ref>
• Dakota Short Line
• Dardanelle and Russellville Railroad (DR)
• De Queen and Eastern Railroad (DQE)
• Delaware-Lackawanna Railroad
• Delta Southern Railroad (DSRR) [72]
• Depew, Lancaster and Western Railroad (DLWR)
• Dubois County Railroad (DCRR) [73]
• East Cooper and Berkeley Railroad (ECBR)
• East Tennessee Railway (ETRY)
• Eastern Alabama Railway (EARY) [74]
• Eastern Shore Railroad (ESHR)
• Eastern Idaho Railroad (EIRR) [75]
• Eastern Maine Railway (EMR) [76]
• Effingham Railroad (EFRR) [77]
• El Dorado and Wesson Railway
• El Dorado and Western Railway
• Elkhart and Western Railroad
• Escanaba and Lake Superior Railroad (ELS) [78]
• Everett Railroad (EV) [79]
• Falls Road Railroad (FRR)
• Finger Lakes Railway (FGLK) [80]
• Florida Central Railroad (FCEN) [81]
• Florida Midland Railroad (FMID) [82]
• Florida Northern Railroad (FNOR) [83]
• Florida West Coast Railroad (FWCR)
• Fredonia Valley Railroad (FVRR)
• Fulton County Railroad (FC)
• Fulton County Railway (FCR)
• Georgetown Railroad (GRR) [84]
• Georgia and Florida RailNet (GFRR)
• Georgia Central Railway (GC)
• Georgia Midland Railroad (GMR)
• Georgia Northeastern Railroad (GNRR) [85]
• Georgia Southwestern Railroad (GSWR) [86]
• Georgia Woodlands Railroad (GWRC) [87]
• Gettysburg and Northern Railroad
• Gloster Southern Railroad (GLSR)
• Golden Isles Terminal Railroad (GITM)
• Golden Triangle Railroad (GTRA)
• Grainbelt Corporation (GNBC)
• Grand Rapids Eastern Railroad (GR) [88]
• Great Northwest Railroad (GRNW) [89]
• Great Smoky Mountains Railroad (GSMR) [90]
• Great Walton Railroad Company (GRWR)
• Great Western Railway of Colorado (GWR) [91]
• Green Mountain Railroad (GMRC) [92]
• Gulf, Colorado and San Saba Railway (GCSR)
• Hampton Railway
• Hampton and Branchville Railroad (HB)
• Hartwell Railroad (HRT)
• Heart of Georgia Railroad (HOG) [93]
• Hollidaysburg and Roaring Spring Railroad
• Hollis and Eastern Railroad (HE)
• Hoosier Southern Railroad (HOS) [94]
• Housatonic Railroad (HRR)
• Huntsville and Madison County Railroad Authority (HMCR) [95]
• Huron and Eastern Railway (HESR) [96]
• Idaho Northern and Pacific Railroad (INPR) [97]
• Illinois and Midland Railroad (IMRR) [98]
• Illinois RailNet (IR)
• Illinois Western Railroad
• Indiana Rail Road (INRD) [99]
• Indiana Northeastern Railroad (IN)
• Indiana and Ohio Central Railroad
• Indiana and Ohio Railway (IORY) [100]
• Indiana Southern Railroad (ISRR) [101]
• Iowa Northern Railway (IANR)
• Iowa Northwestern Railroad (IANW)
• Iowa Traction Railroad (IATR)
• Juniata Valley Railroad (JVRR) [102]
• Kankakee, Beaverville and Southern Railroad (KBSR)
• Kentucky and Tennessee Railway (KT)
• Keokuk Junction Railway (KJRY) [103]
• Kiamichi Railroad (KRR) [104]
• Knox and Kane Railroad (KKRR)
• Kosciusko and Southwestern Railway (KSRY?) [105]
• KWT Railroad (KWT)
• Lake State Railway (LSRC) [106]
• Lake Superior and Ishpeming Railroad (LSI)
• Lancaster and Chester Railway (LC) [107]
• Laurinburg and Southern Railroad (LRS)
• Lewis and Clark Railway
• Little Rock and Western Railway (LRWN)
• Livonia, Avon and Lakeville Railroad (LAL) [108]
• Louisiana and Delta Railroad (LDRR) [109]
• Louisiana and North West Railroad (LNW)
• Louisville and Indiana Railroad (LIRC) [110]
• Lowville and Beaver River Railroad
• Luxapalila Valley Railroad (LXVR) [111]
• Lycoming Valley Railroad (LVRR) [112]
• M and B Railroad (MB) (MNBR)
• Madison Railroad (CMPA) [113]
• Maryland and Delaware Railroad (MDDE) [114]
• Maryland Midland Railway
• Massachusetts Central Railroad (MCER) [115]
• McCloud Railway (MCR)
• Meridian Southern Railway (MDS)
• Mid-Michigan Railroad (MMRR) [116]
• Maryland Midland Railway (MMID) [117]
• Middletown and Hummelstown Railroad (MIDH) [118]
• Middletown and New Jersey Railway (MNJ)
• Milford-Bennington Railroad
• Minnesota, Dakota and Western Railway (MDW)
• Minnesota Northern Railroad (MNN)
• Minnesota Prairie Line (MPLI)
• Minnesota Southern Railway (MSWY)
• Mississippi Export Railroad (MSE) [119]
• Mississippi and Skuna Valley Railroad (MSV)
• Mississippian Railway Cooperative (MSRW)
• Morristown and Erie Railway (ME) [120]
• Mohawk, Adirondack and Northern Railroad
• Mount Hood Railroad (MH) [121]
• Nash County Railroad (NCYR)
• Nashville and Eastern Railroad (NERR)
• Naugatuck Railroad (NAUG) [122]
• Nebkota Railway (NRI)
• Nebraska Central Railroad (NCRC) [123]
• Nebraska Northeastern Railway (NENE)
• New England Central Railroad (NECR) [124]
• New England Southern Railroad
• New Hampshire Central Railroad
• New Hampshire Northcoast Corporation (NHN)
• New Hope and Ivyland Railroad
• New York and Atlantic Railway (NYA) [125]
• New York and Greenwood Lake Railway (NYGL)
• New York and Lake Erie Railroad (NYLE) [126]
• New York and Ogdensburg Railway (NYOG) [127]
• Nittany and Bald Eagle Railroad (NBER) [128]
• North Shore Railroad (NSHR) [129]
• Northwestern Pacific Railway
• Octoraro Railroad
• Ogeechee Railway (OGEE)
• Ohio Central Railroad (OHCR) [130]
• Ohio and Pennsylvania Railroad
• Ohio Southern Railroad
• Oil Creek and Titusville Lines (OCTL) [131]
• Old Augusta Railroad (OAR)
• Ontario Central Railroad
• Ontario Midland Railroad (OMID)
• Otter Tail Valley Railroad (OTVR) [132]
• Ouachita Railroad (OUCH)
• Panhandle Northern Railroad (PNR) [133]
• Pee Dee River Railway
• Pearl River Valley Railroad (PRV)
• Pecos Valley Southern Railway (PVS)
• Pend Oreille Valley Railroad (POVA)
• Penn Eastern Rail Lines (PRL)
• Pickens Railway (PICK)
• Pioneer Valley Railroad (PVRR) [134]
• Point Comfort and Northern Railway (PCN)
• Prescott and Northwestern Railroad (PNW)
• Progressive Rail (PGR) [135]
• Puget Sound and Pacific Railroad (PSAP) [136]
• R. J. Corman Railroad Bardstown Line (RJCR) [137]
• R. J. Corman Railroad Cleveland Line (RJCL) [138]
• R. J. Corman Railroad Central Kentucky Lines (RJCC) [139]
• R. J. Corman Railroad Memphis Line (RJCM) [140]
• R. J. Corman Railroad Western Ohio Lines (RJCW) [141]
• R. J. Corman Railroad Pennsylvania Lines (RJCP) [142]
• Rarus Railway (RARW)
• Reading Blue Mountain and Northern Railroad
• Redmont Railway (RRCI)
• Riceboro Southern Railway (RSOR)
• Rochester and Southern Railroad (RSR) [143]
• Rock and Rail (RRRR)
• Rockdale, Sandow and Southern Railroad (RSS)
• Roscoe, Snyder and Pacific Railroad (RSAP)
• Sabine River and Northern Railroad (SRN)
• Saginaw Valley Railway
• Salt Lake, Garfield and Western Railway
• San Diego and Arizona Eastern Railway (SDAE) [144]
• San Diego and Imperial Valley Railroad (SDIY) [145]
• San Diego Northern Railroad (SDNR) [146]
• San Joaquin Valley Railroad
• San Luis and Rio Grande Railroad (SLRG) [147]
• San Luis Central Railroad (SLC)
• San Manuel Arizona Railroad (SMA)
• Sand Springs Railway (SS) [148]
• Sandersville Railroad (SAN)
• Santa Fe Southern Railway (SFSR) [149]
• Santa Maria Valley Railroad (SMV) [150]
• St. Croix Valley Railroad
• St. Lawrence and Atlantic Railroad (SLR) [151]
• St. Mary's Railroad (SM) [152]
• Savannah Port Terminal Railroad (SAPT)
• Seminole Gulf Railway (SGLR) [153]
• Sequatchie Valley Railroad (SQVR)
• Shamokin Valley Railroad (SVRR) [154]
• Sierra Northern Railway (SERA?) [155]
• Sisseton Milbank Railroad
• SMS Rail Service (SLRS) [156]
• South Branch Valley Railroad (SBVR) [157]
• South Central Florida Express (SCFE) [158]
• South Central Tennessee Railroad (SCTR)
• Southern Freight Railroad (?)
• Southern Indiana Railway
• Southern Railroad of New Jersey (SRNJ)
• Stillwater Central Railroad (SLWC) [159]
• Stockton Terminal and Eastern Railroad (STE) [160]
• Stourbridge Railroad (SBRR) [161]
• Sunflour Railroad
• Tacoma Rail Mountain Division (TMRW) [162]
• Tenneken Railroad
• Tennessee Southern Railroad (TSRR) [163]
• Texas-New Mexico Railroad (TNMR)
• Texas North Western Railway (TXNW)
• Texas and Northern Railway (TN)
• Texas Rock Crusher Railway (TXR)
• Thermal Belt Railway (TBRY)
• Three Notch Railroad (TNHR)
• Timber Rock Railroad (TIBR) [164]
• Toledo, Peoria and Western Railway (TPW) [165]
• Tomahawk Railway (TR)
• Toppenish, Simcoe and Western Railroad
• Trona Railway (TRC)
• Tulsa-Sapulpa Union Railway (TSU) [166]
• Twin Cities and Western Railroad (TCWR) [167]
• Tyburn Railroad (TYBR)
• Union County Industrial Railroad (UCIR) [168]
• Utah Railway (UTAH) [169]
• V and S Railway
• Valdosta Railway (VR)
• Vandalia Railroad (VRRC) [170]
• Ventura County Railroad
• Vermont Railway (VTR) [171]
• Wallowa Union Railroad Authority (WURR)
• Warren and Saline River Railroad (WSR)
• Washington County Railroad
• Wellsboro and Corning Railroad (WCOR) [172]
• West Isle Line
• West Tennessee Railroad (WTNN)
• West Texas and Lubbock Railway (WTLR)
• West Virginia Central Railroad (WVC) [173]
• Western Kentucky Railway (WKRL)
• Western New York and Pennsylvania Railroad (WNYP) [174]
• Western Rail Road (WRRC)
• Willamette and Pacific Railroad (WPRR)
• Winchester and Western Railroad (WW)
• Wiregrass Central Railroad (WGCR)
• Wyoming and Colorado Railroad
• Yadkin Valley Railroad (YVRR)
• York Railway (YRC)
• Yreka Western Railroad (YW) [175]

[edit] Switching and terminal railroads

• Adrian and Blissfield Rail Road (ADBF) [176]
• Akron Barberton Cluster Railway (AB)
• Alabama and Florida Railway (AF) [177]
• Alabama Railroad (ALAB) [178]
• Albany Port Railroad (ALBY)
• Alamo Gulf Coast Railroad (AGCR) [179]
• Allegheny Valley Railroad
• Alton and Southern Railroad [180]
• Amador Foothills Railroad [181]
• Appanoose County Community Railroad (APNC)
• Arizona and Eastern Railway (AZER) [182]
• Ashtabula, Carson and Jefferson Railroad (ACJR) [183]
• Augusta and Summerville Railroad
• Austin Area Terminal Railroad (AATR)
• Ballard Terminal Railroad (BDTL)
• Belt Railway of Chicago (BRC) [184]
• Bighorn Divide and Wyoming Railroad (BDW)
• Birmingham Southern Railroad (BS) [185]
• Black River and Western Railroad (BRW) [186]
• Boone and Scenic Valley Railroad (BSVY) [187]
• Boot Hill and Western Railway (BHWY)
• Brandon Corporation (BRAN)
• Brandywine Valley Railroad (BVRY)
• Brownsville and Rio Grande International Railroad (BRG) [188]
• Buffalo Southern Railroad (BSOR) [189]
• Burlington Junction Railway (BJRY)
• C & NC Railroad (CNUR)
• C&S Railroad
• California Northern Railroad (CFNR) [190]
• Camp Chase Industrial Railroad (CCRA)
• Canton Railroad (CTN) [191]
• Cape Fear Railways (CF)
• Carolina Piedmont Railroad (CPDR) [192]
• Carolina Rail Service (CRIJ)
• Central California Traction Company
• Central Illinois Railroad (CIRY)
• Central Midland Railway (CMR) [193]
• Chestnut Ridge Railway (CHR)
• Chicago Rail Link (CRL) [194]
• Chillicothe-Brunswick Rail Authority
• Cimarron Valley Railroad (CVR)
• City of Rochelle Railroad
• Clinton Terminal Railroad (CTR)
• Cloquet Terminal Railroad (CTRR)
• CMC Railroad
• Coe Rail (CRLE)
• Colorado and Wyoming Railway (CW)
• Columbia Terminal (CT) [195]
• Conemaugh and Black Lick Railroad (CBL) [196]
• Connotton Valley Railway (CV?)
• Conrail (CSAO) [197]
• Corpus Christi Terminal Railroad (CCTA) [198]
• Crab Orchard and Egyptian Railroad (COER)
• Dakota Southern Railway
• Dallas, Garland and Northeastern Railroad (DGNO) [199]
• Decatur Junction Railway (DT) [200]
• Delray Connecting Railroad (DC) [201]
• Delta Valley and Southern Railway (DVS)
• Denver Rock Island Railroad (DRIR)
• East Camden and Highland Railroad (EACH) [202]
• East Chattanooga Belt Railway
• East Erie Commercial Railroad (EEC)
• East Jersey Railroad and Terminal Company (EJR) [203]
• East Penn Railways
• Eastern Illinois Railroad (EIRC)
• Ellis and Eastern Company
• Farmrail Corporation (FMRC) [204]
• Flats Industrial Railroad (FIR)
• Fordyce and Princeton Railroad (FP)
• Fore River Transportation Corporation (FOR)
• Fort Smith Railroad
• Fort Worth and Western Railroad (FWWR) [205]
• Galveston Railroad (GVSR) [206]
• Garden City Western Railway (GCW) [207]
• Golden Isles Terminal Railroad (GITM)
• Grafton and Upton Railroad (GU)
• Great Miami and Scioto Railway (GMRY) [208]
• Great River Railroad (GTR)
• Great Western Railway of Iowa
• High Point, Thomasville and Denton Railroad
• Hutchinson and Northern Railway (HN)
• Indian Creek Railroad (ICRK)
• Indiana Harbor Belt Railroad (IHB) [209]
• Indiana Southwestern Railway
• ISG Cleveland Works Railway (CUVA)
• ISG South Chicago and Indiana Harbor Railway (SCIH)
• Jefferson Warrior Railroad (JEFW)
• Kendallville Terminal Railway
• Kiski Junction Railroad (KJR) [210]
• Knoxville and Holston River Railroad (KXHR)
• Lake County Railroad (LCR) [211]
• Lake Terminal Railroad (LT)
• Landsville Terminal and Transfer Company
• Little Kanawha River Rail (LKRR)
• Little Rock Port Railroad (LRPA)
• Longview Switching Company
• Los Angeles Junction Railway
• Louisville, New Albany and Corydon Railroad (LNAC)
• Luzerne and Susquehanna Railway
• Mahoning Valley Railway (MVRY)
• Manufacturers' Junction Railway (MJ) [212]
• Manufacturers Railway (MRS) [213]
• Massena Terminal Railroad (MSTR)
• Maumee and Western Railroad
• McKeesport Connecting Railroad
• Meeker Southern Railroad
• MG Rail (MGRI)
• Michigan Shore Railroad
• Michigan Southern Railroad
• Minnesota Commercial Railway (MNNR) [214]
• Mississippi Central Railroad (MSCI) [215]
• Mississippi Delta Railroad (MSDR)
• Mississippi Tennessee Railroad (?)
• Missouri and Valley Park Railroad
• Modesto and Empire Traction Company (MET) [216]
• Moscow, Camden and San Augustine Railroad
• Mount Vernon Terminal Railway
• Municipality of East Troy Railroad (METW) [217]
• N. D. C. Railroad
• Napa Valley Railroad (NVRR) [218]
• Nashville and Western Railroad
• New Castle Industrial Railroad (NCIR)
• New Orleans and Gulf Coast Railway (NOGC) [219]
• New Orleans Public Belt Railroad (NOPB) [220]
• New York Cross Harbor Railroad Terminal (NYCH) [221]
• Newburgh and South Shore Railroad (NSR) [222]
• North Carolina and Virginia Railroad (NCVA) [223]
• Northern Ohio and Western Railway (NOW)
• Northwestern Oklahoma Railroad (NOKL)
• Oakland Terminal Railway (OTR)
• Ohi-Rail Corporation (OHIC)
• Omaha Lincoln and Beatrice Railway (OLB)
• Oregon Pacific Railroad
• Owego and Harford Railway
• Pacific Harbor Line (PHL) [224]
• Patapsco and Back Rivers Railroad (PBR)
• Peninsula Terminal Company
• Pennsylvania Southwestern Railroad (PSWR)
• Peoria and Pekin Union Railway (PPU)
• Philadelphia, Bethlehem and New England Railroad (PBNE)
• Pioneer Industrial Railway (PRY)
• Pittsburgh, Allegheny and McKees Rocks Railroad (PAM)
• Pittsburgh and Ohio Central Railroad
• Port Bienville Railroad (PBVR) [225]
• Port Jersey Railroad (PJRR) [226]
• Port Terminal Railroad Association
• Port Terminal Railroad of South Carolina (PTR)
• Port of Tillamook Bay Railroad (POTB) [227]
• Port Utilities Commission of Charleston, South Carolina (PUCC)
• Portland Terminal Railroad
• Quincy Railroad (CA) (QRR)
• R. J. Corman Railroad Allentown Lines (RJCN) [228]
• Railroad Switching Service of Missouri (?)
• Raritan Central Railway (RCRY)
• Republic N and T Railroad
• Richmond Pacific Railroad (RPRC) [229]
• Rio Valley Switching Company (RVSC)
• Riverport Railroad (RVPR) [230]
• St. Maries River Railroad (STMA)
• Salt Lake City Southern Railroad
• San Joaquin Valley Railroad (SJVR) [231]
• San Pedro Southwestern Railroad (SWKR)
• Santa Cruz, Big Trees and Pacific Railway (SCBG)
• Savannah Port Terminal Railroad (SPTR)
• Semo Port Railroad (SE) [232]
• Shawnee Terminal Railway (STR) [233] (formerly Cairo Terminal Railroad)
• Sidney and Lowe Railroad (SLGG)
• South Brooklyn Railway
• South Buffalo Railway (SB) [234]
• South Carolina Central Railroad (SCRF) [235]
• South Plains Lamesa Railroad (SLAL)
• South Plains Switching
• Southern Switching Company (SSC)
• Southwest Pennsylvania Railroad
• Southwestern Railroad (SW)
• Strasburg Rail Road (SRC) [236]
• Tacoma Rail (TMRW) [237]
• Talleyrand Terminal Railroad (TTR) [238]
• Terminal Railroad Association of St. Louis (TRRA)
• Terminal Railway Alabama State Docks (TASD) [239]
• Texas Central Business Lines (TCB) [240]
• Texas City Terminal Railway
• Texas, Gonzales and Northern Railway (TXGN)
• Texas South-Eastern Railroad (TSE)
• Tishomingo Railroad (TISH) [241]
• Towanda-Monroeton Shipper Lifeline
• Tri-City and Olympia Railroad (TCRY) [242]
• Turners Island, LLC
• Turtle Creek Industrial Railroad (TCKR)
• Un