Historical clue formulations

• Barrier to entry — 2025-09-18
• Barrier to entry — 2025-06-05
• Subway entrance fixture — 2023-08-28
• Barrier to entry — 2023-04-30
• A barrier to entry — 2021-08-28
• It may turn at a station — 2021-06-23
• Subway entry — 2018-05-30
• Arena entrance feature — 2016-04-19
• Metro entrance — 2016-02-27
• Fixture at a subway entrance — 2016-02-08
• It makes a turn at the entrance — 2015-12-20
• Revolving feature — 2013-10-11
• Customer counter, maybe — 2013-06-22
• Fence straddler — 2011-12-04
• Subway station sight — 2010-09-01
• Steps that a farmer might take — 2010-07-18
• Vertical piece in a door frame — 2008-05-31
• It goes around at an amusement park — 2007-10-21
• Subway entrance — 2006-02-28
• Fence crossing — 2005-02-08
• Attendance counter — 2004-04-18
• Steps over a fence — 2004-02-12
• Subway station device — 2003-07-29
• Turner in a subway — 2002-09-27
• Steps over a fence — 2002-02-13
• Subway entrance — 2001-07-24
• Fence feature — 2001-06-06
• Stadium entrance — 2001-04-23
• Subway station sight — 2001-02-15
• Steps over a wall — 2000-05-24
• Token taker — 2000-01-16
• Part of a subway entrance — 1999-12-14
• Steps over a fence — 1999-11-02
• Steps that cross a fence — 1999-05-03
• Metro entrance — 1997-02-09
• Crooked site in a nursery rhyme — 1995-09-09
• Steps over a fence — 1995-07-30
• Fence stairs — 1995-04-06
• Steps over a fence — 1995-01-23