| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Railroads--Traffic | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Train-despatching | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Train load | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Trainmen’s manuals | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Trains | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Train speed | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Transfer-fables | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Transfer-tables | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Turnouts | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Turn-tables | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads, Underground | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Valuation | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Wage tables | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Water-cranes | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroads--Water-supply | No definition provided | Christopher Rauch | 2023.12.01 |
| Railroad telegraphers | No definition provided | Christopher Rauch | 2023.12.01 |
| Rails (Birds) | No definition provided | Christopher Rauch | 2023.12.01 |
| Rails (Railroads) | No definition provided | Christopher Rauch | 2023.12.01 |
| Railway liens | No definition provided | Christopher Rauch | 2023.12.01 |
| Railway mail service | No definition provided | Christopher Rauch | 2023.12.01 |