from_stop_id,to_stop_id,transfer_type,min_transfer_time
4260930,4260930,1,
4260934,4260934,1,
4260935,4260935,1,
4260942,4261122,1,
4261122,4260942,1,
4261122,4261122,1,
770779,770779,1,
770780,770780,1,
