Directory of Class III and regional railroads in the United States
670
Total Railroads
657
Short Lines
45
States
6
Class I
7
Class II
657
Short Line
670 railroads
| Mark | Railroad Name | Class | State(s) |
|---|---|---|---|
| TXR | Texas Rock Crusher Railway | Short Line | |
| TXGN | Texas, Gonzales and Northern Railway | Short Line | |
| TBRY | Thermal Belt Railway | Short Line | |
| UTC | This page was last edited on 12 February 2026, at 21:32 | Short Line | |
| TNHR | Three Notch Railroad | Short Line | |
| TIBR | Timber Rock Railroad | Short Line | |
| TIR | Toledo Industrial Railroad | Short Line | |
| TJR | Toledo Junction Railroad | Short Line | |
| TPW | Toledo, Peoria and Western Railway | Short Line | |
| TR | Tomahawk Railway | Short Line | |
| TPR | Tradepoint Rail | Short Line | |
| TRC | Trona Railway | Short Line | |
| TSU | TulsaāSapulpa Union Railway | Short Line | |
| TI | Turners Island, LLC | Short Line | |
| TCWR | Twin Cities and Western Railroad | Short Line | |
| TYBR | Tyburn Railroad | Short Line | |
| TYNT | Tyner Terminal Railway | Short Line | |
| UCTR | Union City Terminal Railroad | Short Line | |
| UCIR | Union County Industrial Railroad | Short Line | |
| UP | Union Pacific Railroad | Class I | |
| URR | Union Railroad | Short Line | |
| UMP | Upper Merion and Plymouth Railroad | Short Line | |
| UCRY | Utah Central Railway | Short Line | |
| UTAH | Utah Railway | Short Line | |
| VSR | V&S Railway | Short Line | |
| VR | Valdosta Railway | Short Line | |
| VRRC | Vandalia Railroad | Short Line | |
| VCRR | Ventura County Railroad | Short Line | |
| VVRR | Vermilion Valley Railroad | Short Line | |
| VTR | Vermont Railway | Short Line | |
| VSOR | Vicksburg Southern Railroad | Short Line | |
| VSRR | Virginia Southern Railroad | Short Line | |
| WBCR | Wabash Central Railroad | Short Line | |
| WHRR | Walking Horse Railroad | Short Line | |
| WURR | Wallowa Union Railroad Authority | Short Line | |
| WSR | Warren and Saline River Railroad | Short Line | |
| WTRM | Warren and Trumbull Railroad | Short Line | |
| WACR | Washington County Railroad | Short Line | |
| WERR | Washington Eastern Railroad | Short Line | |
| WRL | Washington Royal Line | Short Line | |
| WCOR | Wellsboro and Corning Railroad | Short Line | |
| WBRW | West Belt Railway | Short Line | |
| WFS | West Isle Line | Short Line | |
| WMI | West Michigan Railroad | Short Line | |
| WTNN | West Tennessee Railroad | Short Line | |
| WMSR | Western Maryland Scenic Railroad | Short Line | |
| WNYP | Western New York and Pennsylvania Railroad | Short Line | |
| WRRC | Western Rail Road | Short Line | |
| WE | Wheeling and Lake Erie Railway | Short Line | |
| WTA | Wichita Terminal Association | Short Line |
Source: Wikipedia "List of United States railroads". 670 railroads indexed.