from_stop_id,to_stop_id,transfer_type,min_transfer_time
COMMDEV1,COMMDEV4,,
COMMDEV4,COMMDEV2,,
COMMDEV1,COMMDEV2,,
ARGYMAL1,ARGYMAL2,,
ARGYMAL2,ARGYMAL1,,
ALUMHAL2,ALUMHAL1,,
THOMADE2,ADELTHO1,,
ALUMHAL1,ALUMHAL2,,
COMMDEV4,COMMDEV1,,
