| 2025-11-30 | Inits. at Grand Central Terminal |
| 2025-05-08 | Letters on an N.Y.C. fare card |
| 2024-04-07 | N.Y.C. subway inits. |
| 2023-11-01 | Underground org. of New York |
| 2023-06-23 | Letters seen all around New York City |
| 2023-06-18 | Big Apple subway inits. |
| 2023-05-14 | N.Y.C. commuter rail overseer |
| 2022-06-09 | Underground N.Y.C. group |
| 2022-02-20 | N.Y.C. commuting inits. |
| 2021-12-03 | Org. at Grand Central Terminal |
| 2021-08-04 | Big Apple subway inits. |
| 2020-11-27 | Underground org. in N.Y.C. |
| 2019-10-02 | N.Y.C. subway inits. |
| 2019-09-04 | Letters on an N.Y.C. fare card |
| 2019-04-02 | N.Y.C. subway overseer |
| 2019-03-28 | N.Y.C. subway letters |
| 2019-02-02 | Overseer of trains, for short |
| 2018-11-14 | Underground org. in N.Y.C. |
| 2018-11-11 | N.Y.C. subway org. |
| 2018-10-26 | Subway operator, for short |
| 2018-01-18 | Travel org. with an eTix app |
| 2017-11-24 | Staten Island Railway inits. |
| 2017-11-12 | N.Y.C. subway letters |
| 2017-09-17 | Letters on N.Y.C. trains |
| 2017-07-02 | It might help you get to Carnegie Hall, for short |
| 2017-06-06 | N.Y.C. subway overseer |
| 2016-10-16 | N.Y.C. org. that operates 24/7 |
| 2016-10-05 | New York rail and bus inits. |
| 2016-06-12 | Inits. at Grand Central Terminal |
| 2016-03-11 | 1959 Kingston Trio hit |
| 2016-01-26 | N.Y.C. subway overseer |
| 2015-06-15 | Kingston Trio hit that inspired the CharlieCard for Boston commuters |
| 2015-04-23 | Grand Central org. |
| 2015-02-19 | N.Y.C. rail org. |
| 2014-07-12 | Subway inits. |
| 2014-02-07 | N.Y.C.-based grp. with its own police department |
| 2014-01-14 | Overseer of N.Y.C. subways |
| 2013-12-18 | What Charlie rides, in a 1959 hit |
| 2013-08-25 | Where Charlie may ride forever, in song |
| 2013-06-15 | It has a Bridges and Tunnels div. |
| 2012-10-03 | N.Y.C. commuters' inits. |
| 2011-11-30 | Overseer of N.Y.C. bridges |
| 2011-05-22 | Rail org. |
| 2011-04-12 | Kingston Trio hit of 1959 |
| 2011-03-07 | Big Apple mass transit inits. |
| 2011-01-13 | N.Y.C. subway inits. |
| 2010-10-14 | 1959 hit with the lyric "Did he ever return? No, he never returned" |
| 2010-07-24 | N.Y.C. travel letters |
| 2010-01-31 | N.Y.C. bus insignia |
| 2007-11-22 | N.Y.C. commuter option |
| 2006-07-01 | A train grp. |
| 2005-09-15 | Training org.? |
| 2004-12-01 | N.Y.C. subway overseer |
| 2004-11-27 | 1959 hit song set on "a tragic and fateful day" |
| 2004-11-06 | Letters on some N.Y.C. maps |
| 2004-10-10 | Train and bus overseer, for short |
| 2004-09-20 | 1959 hit song about "a man named Charlie" |
| 2004-06-17 | Inits. on N.Y.C. buses |
| 2004-04-15 | N.Y.C. subway inits. |
| 2004-03-21 | N.Y.C. trains overseer |
| 2003-10-10 | Underground letters |
| 2003-06-28 | Where Charlie "may ride forever," in song |
| 2003-03-11 | Kingston Trio hit, 1959 |
| 2002-12-14 | 1959 hit based on the traditional folk song "The Wreck of the Old 97" |
| 2002-11-13 | N.Y.C. subway overseer |
| 2002-09-04 | 1959 Kingston Trio hit |
| 2001-04-29 | Rail org. |
| 2001-01-02 | Boston subway inits. |
| 2000-12-10 | Rapid transit inits. |
| 1999-07-08 | N.Y.C. subway inits. |
| 1999-07-07 | Kingston Trio hit |
| 1999-01-03 | 1959 pop/folk hit |
| 1998-11-25 | 1959 Kingston Trio hit |
| 1998-03-30 | N.Y.C. subway manager |
| 1998-01-21 | 1959 Kingston Trio hit |
| 1998-01-19 | N.Y.C. subway overseer |
| 1997-11-23 | Training overseer?: Abbr. |
| 1997-10-23 | Urban transit org. |
| 1997-09-19 | Hit song of 1959 |
| 1997-06-08 | 1959 Kingston Trio hit |
| 1997-01-14 | N.Y.C. subway operator |
| 1996-09-18 | 1959 Kingston Trio hit |
| 1996-08-11 | N.Y.C. subway org. |
| 1996-07-14 | 1959 Kingston Trio hit |
| 1995-04-04 | Transit of song |
| 1994-01-27 | 1959 Kingston Trio hit |