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) |
|---|---|---|---|
| BKRR | Batten Kill Railroad | Short Line | |
| BXN | Bauxite and Northern Railway | Short Line | |
| BCLR | Bay Colony Railroad | Short Line | |
| BAYL | Bay Line Railroad | Short Line | |
| BAWT | Bayway Terminal Switching Company | Short Line | |
| BLEX | Bee Line Railroad | Short Line | |
| BEEM | Beech Mountain Railroad | Short Line | |
| BIRR | Bellingham International Railroad | Short Line | |
| BIP | Belpre Industrial Parkersburg Railroad | Short Line | |
| BRC | Belt Railway of Chicago | Short Line | |
| BDRV | Belvidere and Delaware River Railway | Short Line | |
| BLE | Bessemer and Lake Erie Railroad | Short Line | |
| BGCM | BG&CM Railroad | Short Line | |
| BFT | Big 4 Terminal Railroad | Short Line | |
| BSR | Big Spring Rail System | Short Line | |
| BDW | Bighorn Divide and Wyoming Railroad | Short Line | |
| BHRR | Birmingham Terminal Railway | Short Line | |
| BRW | Black River and Western Corporation | Short Line | |
| BLR | Blacklands Railroad | Short Line | |
| BNG | Blackwell Northern Gateway Railroad | Short Line | |
| BLOL | Bloomer Line | Short Line | |
| BLRR | Blue Rapids Railway | Short Line | |
| BLU | Blue Ridge Southern Railroad | Short Line | |
| BNSF | BNSF Railway | Class I | |
| BNR | Bogalusa & Northern Railway | Short Line | |
| BVRR | Boise Valley Railroad | Short Line | |
| BSVY | Boone and Scenic Valley Railroad | Short Line | |
| BOP | Border Pacific Railroad | Short Line | |
| BVRY | Brandywine Valley Railroad | Short Line | |
| BRFD | Branford Steam Railroad | Short Line | |
| BPSC | Bridgeport Switching Company | Short Line | |
| BRG | Brownsville and Rio Grande International Railroad | Short Line | |
| BB | Buckingham Branch Railroad | Short Line | |
| BIR | Bucyrus Industrial Railroad | Short Line | |
| BPRR | Buffalo and Pittsburgh Railroad | Short Line | |
| BSOR | Buffalo Southern Railroad | Short Line | |
| BJRY | Burlington Junction Railway | Short Line | |
| BHS | Burns Harbor Shortline Railroad | Short Line | |
| BAP | Butte, Anaconda and Pacific Railway | Short Line | |
| CWCY | Caldwell County Railroad | Short Line | |
| CFNR | California Northern Railroad | Short Line | |
| CSR | Camden and Southern Railroad | Short Line | |
| CAMY | Camp Chase Railway | Short Line | |
| CN | Canadian National Railway | Class I | |
| CFWR | Caney Fork and Western Railroad | Short Line | |
| CTN | Canton Railroad | Short Line | |
| CF | Cape Fear Railways | Short Line | |
| CMSL | Cape May Seashore Lines | Short Line | |
| CLNA | Carolina Coastal Railway | Short Line | |
| CPDR | Carolina Piedmont Railroad | Short Line |
Source: Wikipedia "List of United States railroads". 670 railroads indexed.