A bus would also require money or a token or card for the fare. Again, that would mean there’s a purse somewhere.
The Montgomery County MD public bus system was and still is a joke. Prep school girls just DO NOT ride Metro Buses. You can take that to the bank...also no cell phones, except for those big expensive GI walkie talkies of that time.
A lot of excellent thoughts and theories here. Freepers have very good investigative minds. Maybe a lead development thread should remain open so we collectively can help BK in some small way.