CARPOOL

Set to 5 different clues across 5 published puzzles, most often “Auto-rotating system” — The New York Times, Saturday, 18 October 2008.

7 letters

Every clue on record, most used first

Auto-rotating systemonce
The New York Times — Saturday, 18 October 2008
Use the H.O.V. lane, sayonce
The New York Times — Wednesday, 21 November 2007
Ecofriendly way to workonce
The New York Times — Saturday, 14 May 2005
It involves designated driversonce
The New York Times — Saturday, 29 September 2001
Commuter grouponce
The New York Times — Saturday, 27 May 1995