The following railroads operate in the U.S. state of Texas.
Common freight carriers Class I BNSF Railway (BNSF) Canadian Pacific Kansas City (CPKC) Union Pacific Railroad (UP)
Class II There are no Class II Railroads in Texas.
Class III Alamo Gulf Coast Railroad (AGCR) - (Martin Marietta Inc.) Alliance Terminal Railroad (ATR) - (OmniTRAX) Angelina and Neches River Railroad (ANR) Austin Western Railroad (AWRR) - (Watco) Big Spring Rail (BSR) Blacklands Railroad (BLR) Border Pacific Railroad (BOP) Brownsville and Rio Grande International Railroad (BRG) - (OmniTRAX) CMC Railroad (CMC) Corpus Christi Terminal Railroad (CCPN) - (Genesee & Wyoming) Dallas, Garland and Northeastern Railroad (DGNO) - (Genesee & Wyoming) Fort Worth and Western Railroad (FWWR) Operates the Fort Worth & Dallas Belt Railroad (FWDB) and the Fort Worth and Dallas Railroad (FWDR) Galveston Railroad (GVSR) - (Genesee & Wyoming) Gardendale Railroad (GDR) Georgetown Railroad (GRR) Grainbelt Corporation (GNBC) GT Logistics Gulf Coast Switching (GCS) Hondo Railway (HRR) Kiamichi Railroad (KRR) - (Genesee & Wyoming) La Salle Railway (LSRY) Live Oak Railroad (LOR) Lubbock and Western Railway (LBWR) - (Watco) Moscow, Camden and San Augustine Railroad (MCSA) - (Georgia-Pacific) Oak Grove Railroad Orange Port Terminal Railway (OPT) Panhandle Northern Railroad (PNR) - (OmniTRAX) Pecos Valley Southern Railway (PVS) - (Watco) Plainsman Switching Company (PSC) Operates South Plains Switching, Ltd Plainview Terminal Company (PTC) Point Comfort and Northern Railway (PCN) - (Genesee & Wyoming) Port Terminal Railroad Association (PTRA) Rail Logix (Frontier Logistics LP) Rio Valley Switching Company (RVSC) operates the Rio Valley Railroad (RVRR) RJ Corman Texas Line (RJCD) Sabine River and Northern Railroad (SRN) San Antonio Central Railway (SAC) - (Watco) San Jacinto Transportation (SJCT) South Plains Lamesa Railroad (SLAL) Southern Switching Company (SSC) operates the Lone Star Railroad (LSRR) Southwest Gulf Railroad (SWG) - (Vulcan Materials Company) Temple and Central Texas Railway (TC) - (Patriot Rail) Texas Coastal Bend Railroad (TCBR) - (Watco) Texas Central Business Lines (TCB) Texas City Terminal Railway (TCT) - (BNSF and UP) Texas, Gonzales and Northern Railway (TXGN) Texas & Eastern Railroad Texas & New Mexico Railway (TXN) - (Watco) Texas Northeastern Railroad (TNER) - (Genesee & Wyoming) Texas and Northern Railway (TN)- (Transtar) Texas North Western Railway (TXNW) Texas and Oklahoma Railroad (TXOR) Texas Pacifico Transportation (TXPF) - (Grupo México) Operator for the Texas state-owned South Orient Rail Line Texas Rock Crusher Railway (TXR) Texas South-Eastern Railroad (TSE) Timber Rock Railroad (TIBR) - (Watco) Western Rail Road (WRRC) Wichita, Tillman and Jackson Railway (WTJR)
Passenger carriers
Intercity passenger rail Amtrak (AMTK) Heartland Flyer Texas Eagle Sunset Limited
Commuter rail A-train - (DCTA) CapMetro Rail - (CapMetro) Trinity Railway Express (TRE) - (DART and Trinity Metro) TEXRail - (Trinity Metro)
High speed rail Texas Central Railway (Proposed; in ROW-acquisition phase)
Light rail DART rail - (DART) METRORail - (Houston METRO)
Trolley and streetcar Dallas Streetcar - (DART) El Paso Streetcar - (Sun Metro) Galveston Island Trolley - (Island Transit) M-Line Trolley - (MATA)
Tourist and heritage Austin and Texas Central Railroad (ATCR) - (Austin Steam Train Association) Grapevine Vintage Railroad (GVRX) Hermann Park Railroad - (Hermann Park Conservancy) Historic Jefferson Railway (JCB) Six Flags & Texas Railroad - (Six Flags Over Texas) Texas State Railroad (TSR) Longhorn and Western Railroad - (Texas Transportation Museum)
Defunct railroads