Related Clues:
- Town cars?
- Trucker's rest areas, sometimes
- Their business is picking up
- Quarters for truckers
- Even the greatest men hail them
- They arrive and take off at airports
- Streetcars
- Hack pack members
- Pickup enclosures
- They're for hacks
- Airport sights
- Suspended cable cars
- Members of the hack pack
- Urban fleet
- Truck parts