Historical clue formulations

• Maine-to-Florida hwy. — 2025-12-16
• Hwy. that runs from Key West to Maine — 2023-12-10
• Route from Me. to Fla. — 2023-07-27
• Maine-to-Florida rte. — 2022-07-26
• Longest American north-south rte. — 2018-08-05
• Me.-to-Fla. route — 2017-07-23
• Rte. that ends in 22-Across — 2017-03-18
• Me.-to-Fla. route — 2014-02-14
• Rte. with a terminus in Key West, Fla. — 2013-08-07
• Maine-to-Florida rte. — 2013-06-16
• East Coast rte. — 2011-10-02
• Rte. through 17-Across — 2011-07-02
• In Key West it's known as the Overseas Hwy. — 2010-01-15
• It joins I-10 in Jacksonville and I-90 in Boston — 2009-11-19
• Auto route from Me. to Fla. — 2008-12-31
• Eastern seaboard rte. — 2008-04-06
• Auto route from Me. to Fla. — 2007-12-17
• Route from Me. to Fla. — 2007-07-29