| Northern Subdivision | |
| Type: | Freight rail |
| System: | CSX Transportation |
| Status: | Active |
| Locale: | Ohio |
| Start: | Columbus |
| End: | Greenup |
| Owner: | CSX Transportation |
| Operator: | CSX Transportation |
| Tracks: | 2 |
The Northern Subdivision is a railroad line owned by CSX Transportation in the U.S. states of Kentucky and Ohio. The line runs from Greenup, Kentucky, to Columbus, Ohio, for a total of 106.4miles. At its south end the line continues north from the Russell Subdivision and at its north end the line continues north as the Columbus Subdivision of the Great Lakes Division.[1] [2]