Historical clue formulations

• Program for expedited travel between the U.S. and Canada — 2026-02-10
• Linking point — 2026-01-14
• Hub — 2025-09-09
• Hub — 2024-10-08
• Hub — 2024-03-24
• Point of connection — 2020-10-26
• Connection — 2019-01-06
• Connecting point — 2018-05-30
• Meeting point — 2018-04-18
• Hub — 2016-06-22
• Meeting point — 2014-11-02
• Link — 2014-05-15
• Where it all comes together? — 2013-10-04
• Meeting point — 2010-09-22
• Link — 2010-05-18
• Connection — 2009-08-30
• Link — 2006-04-05
• Tie — 2001-11-17
• Tie — 2000-10-20
• Link — 1999-09-30
• Link — 1997-11-30
• Connection — 1997-07-14
• Link — 1995-04-04