Historical clue formulations

• Enter a busy freeway — 2024-04-17
• Come together — 2024-04-09
• Come together — 2023-12-27
• Become one — 2022-07-05
• Consolidate — 2022-04-23
• Sign at the end of an entrance ramp — 2021-08-23
• Join the flow of traffic — 2020-08-31
• Sign near a highway entrance — 2019-09-03
• Blend — 2019-05-26
• Become one — 2018-03-21
• Database manager's option — 2016-12-22
• Command in Excel — 2016-04-09
• Unite — 2016-03-25
• Unite — 2015-07-15
• Two-lanes-into-one highway sign — 2014-01-06
• Sign of a narrowing path — 2012-03-30
• Conflate — 2011-03-03
• Sign near a freeway entrance — 2009-01-25
• Become one — 2008-02-15
• It may be needed after an entrance — 2007-05-04
• Pool — 2006-05-19
• Freeway sign with an arrow — 2005-12-05
• Traffic sign — 2003-11-16
• Cause of a traffic tie-up — 2002-02-06
• Get together — 2001-07-18
• Join forces — 2001-02-12
• Make one — 2001-01-01
• Word on a yellow sign — 1999-06-18
• Unite — 1999-05-09
• Go with the flow? — 1998-03-27
• Join — 1995-08-21
• Traffic sign — 1994-07-12