calendar.txt:
Unrecognised column in calendar.txt: service_name
shapes.txt:
Unrecognised column in shapes.txt: sup_detour_flag
stops.txt:
Unrecognised column in stops.txt: corner_placement
stops.txt:
Unrecognised column in stops.txt: stop_position
stops.txt:
Unrecognised column in stops.txt: on_street
stops.txt:
Unrecognised column in stops.txt: at_street
stops.txt:
Unrecognised column in stops.txt: heading
trips.txt:
Unrecognised column in trips.txt: dir_abbr
trips.txt:
Unrecognised column in trips.txt: sup_service_mod