Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| University Switch (Minn.) | 1 | 0 | |
| University (Wash.) | 1 | 0 | |
| Unknown (Minn.) | 1 | 0 | |
| Unknown state (6) | 0 | 0 | |
| Upham (N.D.) | 21 | 0 | |
| Upham (Wash.) | 11 | 0 | |
| Upper Fish Lake (Idaho) | 0 | 0 | |
| Upper St. Mary (Mont.) | 1 | 0 | |
| Ural (Mont.) | 53 | 0 | |
| Urbana (N.D.) | 0 | 0 |