| 2026-01-07 | Travel option that serves 46 states |
| 2024-08-27 | The National Railroad Passenger Corporation, familiarly |
| 2023-12-17 | Operator of the Texas Eagle and Southwest Chief |
| 2022-06-26 | Operator of the Valley Flyer and Coast Starlight |
| 2022-02-13 | Service with a Capitol Corridor route |
| 2021-06-16 | Operator of the California Zephyr |
| 2020-07-11 | Metroliner operator, once |
| 2016-02-22 | Northeast Corridor service |
| 2014-10-16 | Pacific Surfliner operator |
| 2011-06-07 | Acela operator |
| 2011-02-16 | Acela Express operator |
| 2008-08-06 | Train company with a portmanteau name |
| 2007-09-30 | City of New Orleans operator |
| 2006-07-04 | Intercity passenger service created by Congress |
| 2004-05-12 | Metroliner company |
| 2004-04-20 | Acela Express runner |
| 2002-10-16 | Acela operator |
| 2002-09-25 | Vermonter operator |
| 2001-12-15 | Kind of station |
| 2001-03-23 | Acela Express offerer |
| 1999-08-10 | Greyhound alternative |
| 1999-06-03 | Kind of station |