This is a list of current shortline railroads (FRA Class III) in the United States. The reporting mark assigned by the Association of American Railroads (AAR) is listed for each entry.
 | This transport-related list is incomplete; you can help by adding missing items. (August 2008) |
Alabama
| Railroad | AAR rep. mark |
|---|---|
| Alabama & Tennessee River Railway | ATN |
| Alabama Southern Railroad | ABS |
| Alabama Warrior Railway | ABWR |
| Autauga Northern Railroad | AUT |
| Birmingham Terminal Railway | BHRR |
| CG Railway | CGR |
| Chattahoochee & Gulf Railroad | CHAT |
| Conecuh Valley Railroad | COEH |
| Wiregrass Central Railroad | WGCR |
Arizona
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| Railroad | AAR rep. mark |
|---|---|
| Apache Railway | APA |
| Arizona & California Railroad | ARZC |
| Arizona Central Railroad | AZCR |
| Arizona Eastern Railway | AZER |
| Copper Basin Railway | CBRY |
| San Pedro Valley Railroad | SPSR |
Arkansas
| Railroad | AAR rep. mark |
|---|---|
| Arkansas & Missouri Railroad | AM |
| Arkansas Southern Railroad | ARS |
| Dardanelle and Russellville Railroad | DR |
| Fort Smith Railroad | FSR |
California
| Railroad | AAR rep. mark |
|---|---|
| California Northern Railroad | CFNR |
| Carrizo Gorge Railway | CZRY |
| Central California Traction | CCT |
| McCloud Railway | MCR |
| Modesto & Empire Traction Company | MET |
| Mountain Pacific Railroad | MPR |
| Northwestern Pacific Railroad | NWP |
| Pacific Harbor Line | PHL |
| Pacific Sun Railroad | PSRR |
| Richmond Pacific Railroad | RPRC |
| San Diego & Imperial Valley Railroad | SDIY |
| San Francisco Bay Railroad | SFBR |
| San Joaquin Valley Railroad | SJVR |
| Santa Maria Valley Railroad | SMV |
| Sierra Northern Railway | SERA |
| Trona Railway | TRC |
Colorado
| Railroad | AAR rep. mark |
|---|---|
| Denver Rock Island Railroad | DRIR |
| Great Western Railroad of Colorado | GWR |
| Rock & Rail | RRRR |
| San Luis & Rio Grande Railroad | SLRG |
Connecticut
| Railroad | AAR rep. mark |
|---|---|
| Branford Steam Railroad | BRFD |
| Housatonic Railroad | HRRC |
| Central New England Railroad | CNZR |
| Connecticut Southern Railroad | CSOR |
Delaware
| Railroad | AAR rep. mark |
|---|---|
| Delmarva Central Railroad | DCR |
| East Penn Railroad | ESPN |
| Maryland & Delaware Railroad | MDDE |
| Wilmington & Western Railroad | WWRC |
Florida
| Railroad | AAR rep. mark |
|---|---|
| AN Railway | AN |
| Bay Line Railroad | BAYL |
| NASA Railroad | NLAX |
| Seminole Gulf Railway | SGLR |
| South Central Florida Express | SCFE |
Georgia
| Railroad | AAR rep. mark |
|---|---|
| Chattahoochee Industrial Railroad | CIRR |
| Georgia Central Railway | GC |
| Georgia Northeastern Railroad | GNRR |
| Georgia Southwestern Railroad | GSWR |
| Sandersville Railroad | SAN |
| St. Mary's Railroad | SM |
| Valdosta Railway | VR |
Idaho
| Railroad | AAR rep. mark |
|---|---|
| Boise Valley Railroad | BVRR |
| St. Maries River Railroad | STMA |
Illinois
| Railroad | AAR rep. mark |
|---|---|
| Bloomer Line | BLOL |
| Central Illinois Railroad | CIRY |
| Crab Orchard and Egyptian Railway | COER |
| Decatur Junction Railway | DT |
| Eastern Illinois Railroad | EIRC |
| Fisher Farmers Grain & Coal Railroad | FFGC |
| Foster Townsend Rail Logistics | FTRL |
| Illinois Railway | IR |
| Keokuk Junction Railway | KJRY |
| Peoria & Western Railway | PWRY |
| Tazewell & Peoria Railroad | TZPR |
| Toledo, Peoria & Western Railway | TPW |
Indiana
Iowa
| Railroad | AAR rep. mark |
|---|---|
| Burlington Junction Railway | BJRY |
| Cedar Rapids and Iowa City Railway | CIC |
| Iowa Northern Railway | IANR |
| Iowa Traction Railway | IATR |
Kansas
| Railroad | AAR rep. mark |
|---|---|
| Kansas & Oklahoma Railroad | KO |
| Kansas City Terminal Railway | KCT |
| Kaw River Railroad | KAW |
| Kyle Railroad | KYLE |
| South Kansas & Oklahoma Railroad | SKOL |
Louisiana
| Railroad | AAR rep. mark |
|---|---|
| Baton Rouge Southern Railroad | BRS |
| Louisiana Southern Railroad | LAS |
| New Orleans and Gulf Coast Railway | NOGC |
| New Orleans Public Belt Railroad | NOPB |
Maine
| Railroad | AAR rep. mark |
|---|---|
| Eastern Maine Railway (1995) | EMRY |
| Maine Northern Railway | MNRY |
| St Lawrence & Atlantic Railroad | SLR |
Maryland
| Railroad | AAR rep. mark |
|---|---|
| Delmarva Central Railroad | DCR |
| Maryland & Delaware Railroad | MDDE |
| Maryland Midland Railway | MMID |
| Tradepoint Rail | TPR |
Massachusetts
| Railroad | AAR rep. mark |
|---|---|
| East Brookfield & Spencer Railroad | EBSR |
| Fore River Railroad | FRVT |
| Grafton & Upton Railroad | GU |
| Massachusetts Central Railroad | MCER |
| Pioneer Valley Railroad | PVRR |
Michigan
Minnesota
| Railroad | AAR rep. mark |
|---|---|
| Cloquet Terminal Railroad | CTRR |
| Minnesota Northern Railroad | MNN |
| Northern Lines Railway | NLR |
| Progressive Rail | PGR |
| Twin Cities & Western Railroad | TCW |
| Red River Valley & Western Railroad | RRVW |
Mississippi
| Railroad | AAR rep. mark |
|---|---|
| Meridian Southern Railway | MDS |
| Mississippian Railway | MSRW |
| Mississippi Delta Railroad | MDR |
| Mississippi Export Railroad | MSE |
| Mississippi Southern Railroad | MSR |
| Vicksburg Southern Railroad | VSOR |
Missouri
| Railroad | AAR rep. mark |
|---|---|
| Arkansas and Missouri Railroad | AM |
| Columbia Terminal Railroad | CT |
| Kansas City Terminal Railway | KCT |
| Terminal Railroad Association of St Louis | TRRA |
Nebraska
| Railroad | AAR rep. mark |
|---|---|
| Brandon Corporation | BRAN |
| Fremont and Elkhorn Valley Railroad | FEVR |
| Kyle Railroad | KYLE |
| Nebraska Central Railroad | NCRC |
| Nebraska, Kansas and Colorado RailNet | NKC |
| Nebraska Northeastern Railway | NENE |
| Nebraska Northwestern Railroad | NNW |
| Omaha, Lincoln and Beatrice Railway | OLB |
| Sidney and Lowe Railroad | SLGG |
New Hampshire
| Railroad | AAR rep. mark |
|---|---|
| Milford-Bennington Railroad | MBRX |
| New Hampshire Central Railroad | NHCR |
New Jersey
| Railroad | AAR rep. mark |
|---|---|
| Belvidere and Delaware River Railway | BDRV |
| Black River & Western Railroad | BRW |
| Cape May Seashore Lines | CMSL |
| Dover and Delaware River Railroad | DD |
| Dover & Rockaway River Railroad | DRRV |
| Morristown & Erie Railway | ME |
| SMS Rail Lines | SLRS |
| Southern Railroad of New Jersey | SRNJ |
| Winchester & Western Railroad | WW |
New Mexico
| Railroad | AAR rep. mark |
|---|---|
| Arizona Eastern Railway | AZER |
| Santa Fe Southern Railway | SFS |
| Southwestern Railroad | SW |
| Texas-New Mexico Railroad | TNMR |
New York
| Railroad | AAR rep. mark |
|---|---|
| Arcade & Attica Railroad | ARA |
| B&H Rail Corporation | BH |
| Batten Kill Railroad | BKRR |
| Buffalo Southern Railroad | BSRR |
| Depew, Lancaster and Western Railroad | DLWR |
| Falls Road Railroad | FRR |
| Finger Lakes Railway | FGLK |
| Ithaca Central Railroad | ITHR |
| Livonia, Avon and Lakeville Railroad | LAL |
| New York & Atlantic Railway | NYA |
| Ontario Central Railroad | ONCT |
| Ontario Midland Railroad | OMID |
| Rochester & Southern Railroad | RSR |
| Western New York and Pennsylvania Railroad | WNYP |
North Carolina
| Railroad | AAR rep. mark |
|---|---|
| Aberdeen & Rockfish Railroad | AR |
| Aberdeen, Carolina and Western Railway | ACWR |
| Alexander Railroad | ARC |
| Atlantic & Western Railway | ATW |
| Caldwell County Railroad | CWCY |
| Carolina Central Railway | |
| Carolina Coastal Railway | CLNA |
| Great Smoky Mountains Railroad | GSMR |
| Winston-Salem Southbound Railway | WSS |
| Yadkin Valley Railroad | YVRR |
North Dakota
| Railroad | AAR rep. mark |
|---|---|
| Red River Valley & Western Railroad | RRVW |
Ohio
| Railroad | AAR rep. mark |
|---|---|
| Ashland Railway | ASRY |
| Camp Chase Railway | CAMY |
| Cuyahoga Valley Scenic Railroad | CVSR |
| Napoleon, Defiance & Western Railroad | ND&W |
| Ohio Central Railroad | OHCR |
| Ohio Terminal Railway | OHIO |
| Ohio Valley Railroad | OVR, OVRX |
| Toledo Lake Erie & Western | TLEW |
| Cincinnati East Terminal Railway | CET |
Oklahoma
| Railroad | AAR rep. mark |
|---|---|
| Arkansas Southern Railroad | ARS |
| Blackwell Northern Gateway Railroad | BNG |
| Farmrail | FMRC |
| Kiamichi Railroad | KRR |
| Northwestern Oklahoma Railroad | NOKR |
| Sand Springs Railway | SS |
| Stillwater Central Railroad | SLWC |
| Texas, Oklahoma and Eastern Railroad | TOE |
| Wichita, Tillman and Jackson Railway | WTJR |
Oregon
Pennsylvania
| Railroad | AAR rep. mark |
|---|---|
| Allegheny Valley Railroad | AVR |
| Bessemer & Lake Erie Railroad | BLE |
| Colebrookdale Railroad | CRR |
| Delaware-Lackawanna Railroad | DL |
| East Penn Railroad | ESPN |
| Everett Railroad | EV |
| Middletown & Hummelstown Railroad | MIDH |
| New Hope Railroad | NHRR |
| Nittany and Bald Eagle Railroad | NBER |
| Pennsylvania Northeastern Railroad | PN |
| Pittsburgh & Ohio Central Railroad | POHC |
| Reading Blue Mountain & Northern Railroad | RBMN |
| Shamokin Valley Railroad | SVRR |
| Strasburg Rail Road | SRC |
| Tyburn Railroad | TYBR |
Rhode Island
| Railroad | AAR rep. mark |
|---|---|
| Seaview Transportation Company | SVTX |
South Carolina
| Railroad | AAR rep. mark |
|---|---|
| Carolina Piedmont Railroad | CPDR |
| Carolina Southern Railroad | CALA |
| Greenville & Western Railway | GRLW |
| Hampton and Branchville Railroad | HB |
| Lancaster and Chester Railroad | LC |
| Pee Dee River Railway | PDRR |
| Pickens Railway | PICK |
| South Carolina Central Railroad | SCRF |
South Dakota
| Railroad | AAR rep. mark |
|---|---|
| Dakota Southern Railway | DSRC |
| Ellis and Eastern Company | EE |
| Sisseton Milbank Railroad | SMRR |
| Rapid City, Pierre and Eastern Railroad | RCPE |
Tennessee
| Railroad | AAR rep. mark |
|---|---|
| East Tennessee Railway | ETRY |
| Nashville & Eastern Railroad | NERR |
Texas
Utah
| Railroad | AAR rep. mark |
|---|---|
| Salt Lake City Southern Railroad | SL |
| Salt Lake, Garfield and Western Railway | SLGW |
| Utah Central Railway | UCRY |
| Utah Railway | UTAH |
Vermont
| Railroad | AAR rep. mark |
|---|---|
| Vermont Railway | VTR |
| New England Central Railroad | NECR |
Virginia
| Railroad | AAR rep. mark |
|---|---|
| Buckingham Branch Railroad | BB |
| Chesapeake & Albemarle Railroad | CA |
| Commonwealth Railway | CWRY |
| Delmarva Central Railroad | DCR |
| North Carolina & Virginia Railroad | NCVA |
| Shenandoah Valley Railroad | SV |
| Virginia Southern Railroad | VSRR |
| Winchester & Western Railroad | WW |
Washington
| Railroad | AAR rep. mark |
|---|---|
| Ballard Terminal Railroad | BDTL |
| Cascade & Columbia River Railroad | CSCD |
| Central Washington Railroad | CWRR |
| Columbia and Cowlitz Railway | CLC |
| Columbia Basin Railroad | CBRR |
| Great Northwest Railroad | GRNW |
| Kettle Falls International Railway | KFR |
| Lewis and Clark Railway | LINC |
| Meeker Southern Railroad | MSN |
| Mount Vernon Terminal Railroad | MVT |
| Olympia & Belmore Railroad | OYLO |
| Puget Sound & Pacific Railroad | PSAP |
| Spokane Spangle & Palouse Railway | SSP |
| St. Paul & Pacific Northwest Railroad | STPP |
| Tacoma Rail | TMRW |
| Tri-City Railroad | TCRY |
| Washington Eastern Railroad | WERR |
West Virginia
| Railroad | AAR rep. mark |
|---|---|
| Big Eagle Railroad | BER |
Wisconsin
| Railroad | AAR rep. mark |
|---|---|
| East Troy Electric Railroad | ETER |
| Tomahawk Railway | TR |
Wyoming
| Railroad | AAR rep. mark |
|---|---|
| Bighorn Divide and Wyoming Railroad | BDW |
Interstate
| Railroad | AAR rep. mark |
|---|---|
| Bay Line Railroad (AL and FL) | BAYL |
| Central Oregon & Pacific Railroad (CA and OR) | CORP |
| Chicago, Fort Wayne & Eastern Railroad | CFE |
| Chicago South Shore & South Bend Railroad (IL and IN) | CSS |
| Cimarron Valley Railroad (CO, KS, and OK) | CVR |
| Deseret Power Railroad (CO and UT) | DPRW |
| Rail Link (operates 26 short line railroads) | RLIX |
| Housatonic Railroad (HRRC) (CT, MA, NY) | HRRC |
| Idaho Northern & Pacific Railroad (ID and OR) | INPR |
| Kankakee, Beaverville and Southern Railroad (IL and IN) | KBSR |
| New York New Jersey Rail (NJ and NY) | NYNJ |
| Pend Oreille Valley Railroad (ID and WA) | POVA |
| St Lawrence & Atlantic Railroad (ME, NH, and VT) | SLA |
| Utah Railway (CO and UT) | UTAH |
| Watco (owners of 37 short lines) | WATX, WAMX |
| Wichita, Tillman and Jackson Railway (OK and TX) | WTJR |