- Bus transportation (95)
- Bus line operations (37)
- Commuter bus operation (7)
- Street and trolley car transportation (2)
- Airport transportation (277)
- Airport limousine, scheduled service (33)
- Airport transportation services, regular route (30)
- Passenger rail transportation (11)
- Commuter rail passenger operation (9)
- Local railway passenger operation (7)
- Subway operation (7)
- Elevated railway operation (1)
