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
6 railroads (filtered)
| Mark | Railroad Name | Class | State(s) |
|---|---|---|---|
| BNSF | BNSF Railway | Class I | |
| CN | Canadian National Railway | Class I | |
| CPKC | CPKC Railway | Class I | |
| CSXT | CSX Transportation | Class I | |
| NS | Norfolk Southern Railway | Class I | |
| UP | Union Pacific Railroad | Class I |
Source: Wikipedia "List of United States railroads". 670 railroads indexed.