Historical clue formulations

• N.Y. commuter line — 2024-06-16
• Train between N.Y.C. and Montauk — 2019-09-01
• Train to N.Y.C. — 2015-12-02
• Line to Penn Sta. — 2015-04-29
• Line to Jamaica in N.Y.C. — 2014-08-22
• Way out of N.Y.C. — 2014-05-07
• Line out of N.Y.C. — 2013-09-12
• Line ending at Penn Sta. — 2013-07-04
• Train line to Penn Sta. — 2012-01-23
• Line to Penn Sta. — 2011-11-22
• Line from Penn Sta. — 2011-07-29
• One way to N.Y.C.'s Penn Sta. — 2010-09-02
• Line to Penn Sta. — 2010-06-23
• Line to Penn Sta. — 2009-12-17
• Penn Station inits. — 2008-07-06
• One way to the Hamptons, for short — 2006-12-03
• Line into N.Y.C. — 2006-10-14
• Commuters' line to N.Y.C. — 2006-06-13
• Penn Station abbr. — 2005-05-29
• Penn Station inits. — 2005-03-06
• Line to Penn Station — 2004-07-14
• One way to Southampton: Abbr. — 2003-07-13
• N.Y. commuter line — 2003-02-16
• Penn Station initials — 1998-03-08
• Transportation to N.Y.C. — 1996-10-26
• N.Y. commuter's transport — 1995-09-07
• Line to the Hamptons, for short — 1994-06-16