from_route_id,to_route_id,from_stop_id,to_stop_id,transfer_type,min_transfer_time
,,lccst,lccst,2,180
109,209,lkstc,lkstc,2,180
209,109,lkstc,lkstc,2,180
905,907,swi5pr,swi5pr,0,
907,905,swi5pr,swi5pr,0,
