"from_stop_id","to_stop_id","transfer_type","min_transfer_time"
"101128-ES:EUSKOTREN:STOPPLACE:1480:","101128-ES:EUSKOTREN:STOPPLACE:2577:","2","120"
"101128-ES:EUSKOTREN:STOPPLACE:2577:","101128-ES:EUSKOTREN:STOPPLACE:1480:","2","120"
