from_stop_id,to_stop_id,from_trip_id,to_trip_id,transfer_type,min_transfer_time
818648,818648,,,1,
818661,818661,,,1,
818618,818618,,,1,
818668,818668,,,1,
818612,818612,,,1,
818671,818671,,,1,
818632,818632,,,1,
818667,818667,,,1,
818649,818649,,,1,
