Related Clues:
- Dispatched vehicles
- They may be called on account of rain
- Semi-detachable parts?
- They have their own stands
- Line at an airport
- Metered rides
- Where truckers sit
- Urban vehicles
- They may be hailed in hail
- They're hailed from sidewalks
- Cars for hire
- Members of a certain fleet
- City transports
- Hailed wheels
- They're for hackies