from_stop_id,to_stop_id,from_route_id,to_route_id,from_trip_id,to_trip_id,transfer_type,min_transfer_time
1001,1001,,,,,1,
1002,1002,,,,,1,
1002,1005,,,,,1,
1003,1003,,,,,1,
1004,1004,,,,,1,
1005,1002,,,,,1,
2023,2023,,,,,1,
