Historical clue formulations

• Commuting costs — 2024-05-24
• Orbitz listings — 2023-09-20
• Metro costs — 2023-07-16
• Cabbies' clients — 2011-09-04
• Airline posting — 2005-01-16
• Going rates? — 2001-11-16
• Riders — 2001-04-27
• Cabbies' targets — 2000-01-23
• Passengers — 1998-03-25
• Subway riders — 1996-03-24
• Passengers — 1994-05-18
• Business for taxis — 1993-11-28