"from_stop_id","to_stop_id","transfer_type","min_transfer_time"
"101518-1_01","101518-32_01","2","300"
"101518-32_01","101518-1_01","2","300"
"101518-146_01","101518-268_01","0",""
"101518-268_01","101518-146_01","0",""
