Enter a clue or pattern or both:
The Clue
Commuting combo (7 letter answer)
The Answer
CARPOOL
Tags
Notes
The answer CARPOOL is rarely seen, appearing only about once every 2400 puzzles.
Related Clues
Commuter group
Auto-rotating system
Ecofriendly way to work
It involves designated drivers
Use the H.O.V. lane, say