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) |
|---|---|---|---|
| CT | Columbia Terminal Railroad | Short Line | |
| CWW | Columbia-Walla Walla Railway | Short Line | |
| CCH | Columbus and Chattahoochee Railroad | Short Line | |
| CAGY | Columbus and Greenville Railway | Short Line | |
| CUOH | Columbus and Ohio River Rail Road | Short Line | |
| CWRY | Commonwealth Railway | Short Line | |
| COEH | Conecuh Valley Railroad | Short Line | |
| CSOR | Connecticut Southern Railroad | Short Line | |
| CPMY | Coopersville and Marne Railway | Short Line | |
| CBRL | Coos Bay Rail Link | Short Line | |
| CBRY | Copper Basin Railway | Short Line | |
| CNRR | Cornhusker Railroad | Short Line | |
| CPKC | CPKC Railway | Class I | |
| COER | Crab Orchard and Egyptian Railway | Short Line | |
| CSXT | CSX Transportation | Class I | |
| DAIR | D&I Railroad | Short Line | |
| DWRV | D&W Railroad | Short Line | |
| DN | Dakota Northern Railroad | Short Line | |
| DSRC | Dakota Southern Railway | Short Line | |
| DMVW | Dakota, Missouri Valley and Western Railroad | Short Line | |
| DGNO | Dallas, Garland and Northeastern Railroad | Short Line | |
| DR | Dardanelle and Russellville Railroad | Short Line | |
| DIR | Davenport Industrial Railroad | Short Line | |
| DQE | De Queen and Eastern Railroad | Short Line | |
| DREI | Decatur & Eastern Illinois Railroad | Short Line | |
| DT | Decatur Junction Railway | Short Line | |
| DRRR | Delaware and Raritan River Railroad | Short Line | |
| DL | Delaware–Lackawanna Railroad | Short Line | |
| DCR | Delmarva Central Railroad | Short Line | |
| DC | Delray Connecting Railroad | Short Line | |
| DSRR | Delta Southern Railroad | Short Line | |
| DVS | Delta Valley and Southern Railway | Short Line | |
| DRIR | Denver Rock Island Railroad | Short Line | |
| DLWR | Depew, Lancaster and Western Railroad | Short Line | |
| DPRW | Deseret Power Railroad | Short Line | |
| DCON | Detroit Connecting Railroad | Short Line | |
| DFWS | DFW & Southern Railway | Short Line | |
| DRRV | Dover & Rockaway River Railroad | Short Line | |
| DD | Dover and Delaware River Railroad | Short Line | |
| DSC | Drake Switching Company | Short Line | |
| DCRR | Dubois County Railroad | Short Line | |
| DUSR | Dutchtown Southern Railroad | Short Line | |
| EBSR | East Brookfield and Spencer Railroad | Short Line | |
| EACH | East Camden and Highland Railroad | Short Line | |
| ECRT | East Chicago Rail Terminal | Short Line | |
| ECBR | East Cooper and Berkeley Railroad | Short Line | |
| EEC | East Erie Commercial Railroad | Short Line | |
| EJR | East Jersey Railroad | Short Line | |
| EOVR | East Ohio Valley Railway | Short Line | |
| ESPN | East Penn Railroad | Short Line |
Source: Wikipedia "List of United States railroads". 670 railroads indexed.