- Bus transportation (78)
- Bus line operations (24)
- Commuter bus operation (7)
- Street and trolley car transportation (2)
- Streetcar operation (1)
- Trolley operation (1)
- Airport transportation (145)
- Airport limousine, scheduled service (18)
- Airport transportation services, regular route (14)
- Intra-airport, regular route (1)
- Passenger rail transportation (3)
- Commuter rail passenger operation (1)
- Subway operation (4)
- Cable cars, except aerial, amusement, and scenic (1)
