from_stop_id,to_stop_id,transfer_type,min_transfer_time
304_01,304_01,0,
322_01,322_01,0,
129_02,129_02,0,
129_01,129_02,0,
129_01,129_01,0,
309_01,309_01,0,
127_01,127_01,0,
