| Date | Grid | Clue | Author |
| Fri Feb 9, 2024 | 28A | High-speed commuter option | Christina Iverson |
| Sun Jan 14, 2024 | 79A | Fastest train in the U.S. | John Kugelman |
| Sun Jan 7, 2024 | 4D | 150-mile-per-hour train | Michael Schlossberg |
| Sun Dec 24, 2023 | 110A | Speedy Northeast train | Drew Schmenner |
| Tue Jun 20, 2023 | 50D | Speedy Amtrak service | Aimee Lucido |
| Sun Mar 5, 2023 | 78A | Train that stops in New Haven and New York | John-Clark Levin |
| Wed Feb 1, 2023 | 44A | East Coast Amtrak service with the fastest trains in the Americas | Dan Caprera |
| Sun May 1, 2022 | 149A | Speedy travel option | Brandon Koppy |
| Mon Feb 28, 2022 | 12D | Amtrak express train | Zach Sherwin and Andrea Carla Michaels |
| Thu Feb 17, 2022 | 13A | Northeast Corridor train (2) | Aaron M. Rosenberg |
| Thu Feb 3, 2022 | 11D | Express service since 2000 | Adam Wagner |
| Sun Nov 7, 2021 | 26A | Amtrak service (2) | Sid Sivakumar |
| Fri Jul 16, 2021 | 18A | Train through eight states | Sophia Maymudes and Kyra Wilson |
| Sat May 15, 2021 | 3D | What's on the fast track? (2) | Sam Trabucco |
| Fri May 7, 2021 | 12D | Train that serves three Union Stations | Brooke Husic |
| Wed Dec 30, 2020 | 9D | ___ corridor, Northeast transportation route | Kate Hawkins |
| Sat Jun 27, 2020 | 17A | It travels from D.C. to Boston in about seven hours | Ryan Mccarty |
| Sun Jun 21, 2020 | 2D | D.C.-to-Boston transport | Byron and Harrison Walden |
| Sun Apr 26, 2020 | 69D | It stops at Union and Penn Stations | Royce Ferguson |
| Tue Jul 16, 2019 | 15A | Speedy Amtrak option | Ross Trudeau |
| Wed Oct 17, 2018 | 52D | Train from Boston to Washington | Patrick Blindauer and Tony Orbach |
| Wed Jan 17, 2018 | 1A | ___ Express (Boston-to-Washington connection) | Jules Markey |
| Wed Apr 5, 2017 | 52D | Northeast Corridor express train | Alex Eaton-Salners |
| Sat Jan 7, 2017 | 51D | Express starting in 2000 | Roland Huget |
| Sun May 29, 2016 | 26A | Northeast Corridor train (2) | Kevin G. Der |
| Tue Dec 30, 2014 | 52D | Amtrak option | Jeffrey Wechsler |
| Sun Sep 14, 2014 | 7D | Speedy Northeast conveyance | Tony Orbach and Patrick Blindauer |
| Wed Apr 2, 2014 | 16A | Amtrak bullet train (3) | David Levinson Wilk |
| Thu Sep 5, 2013 | 54D | What's on the fast track? (2) | Damon Gulczynski |
| Sun Sep 1, 2013 | 100D | Amtrak bullet train (3) | John Farmer |
| Sun Jun 2, 2013 | 106D | Amtrak bullet train (3) | Elizabeth C. Gorski |
| Tue May 14, 2013 | 23D | Amtrak high-speed train | John Lieb |
| Fri Feb 10, 2012 | 3D | ___ Express | Barry C. Silk and Brad Wilber |
| Mon Nov 28, 2011 | 50A | Fast train to New York City | Andrea Carla Michaels |
| Sun Sep 11, 2011 | 23A | Amtrak train (2) | Kay Anderson |
| Sun May 15, 2011 | 100D | Fleet Amtrak train | Cathy Allis |
| Wed Feb 24, 2010 | 65A | Speedy Washington-to-Boston link | Kenneth J. Berniker |
| Sun Jan 31, 2010 | 75A | Boston-to-Washington speedster | Tony Orbach and Andrea Carla Michaels |
| Wed Dec 30, 2009 | 61A | Amtrak debut of 11/17/2000 | Adam Cohen |
| Sat Oct 17, 2009 | 21A | Track speedster beginning in 2000 | Chuck Deodene |
| Mon Jul 27, 2009 | 14A | High-speed train from Boston to Washington | Allan E. Parrish |
| Sat Mar 15, 2008 | 28D | Speedy express | David Quarfoot |
| Wed Feb 7, 2007 | 15A | Amtrak speedster | David Kwong |
| Sun Sep 17, 2006 | 17D | Amtrak service (2) | Brendan Emmett Quigley |
| Sun Dec 4, 2005 | 73A | Amtrak train (2) | Eric Berlin and Craig Kasper |
| Wed Jun 29, 2005 | 16A | Amtrak's "bullet train" (2) | David Liben-Nowell |
| Thu Feb 10, 2005 | 15A | Amtrak offering | Frank Longo |
| Tue Jun 3, 2003 | 16A | Speedy train | Judy Cole |
| Wed Apr 3, 2002 | 34D | Amtrak's bullet train (2) | Fred Piscop |