Historical clue formulations

• Lane for carpoolers — 2024-09-22
• Kind of lane marked with a diamond — 2024-07-23
• Car pooler's letters — 2023-07-26
• Car-pooling inits. — 2022-05-15
• ___ lane — 2020-04-18
• Car-pool lane designation — 2018-08-07
• With 40-Across, car pooler's perk — 2018-05-18
• ___ lane — 2016-06-19
• Kind of lane for car-poolers — 2016-03-01
• ___ lane — 2014-01-27
• ___ lane — 2013-08-29
• ___ lane — 2013-05-12
• ___ lane — 2012-01-20
• Letters on the road — 2010-09-30
• ___ lane — 2008-11-28
• ___ lane (commuters' aid) — 2008-10-13
• Kind of lane — 2007-03-04
• ___ lane (rush-hr. convenience) — 2006-08-01