from_stop_id,to_stop_id,transfer_type,min_transfer_time
1001_01,1001_01,,
2001_01,2001_01,,
2028_01,5063_01,,
2044_01,2044_01,2,0
3001_01,3001_01,,
3013_01,3013_01,2,60
4004_01,4004_01,,
4009_01,4009_01,,
5023_01,5023_01,,
5063_01,2028_01,,
6001_01,6001_01,2,60
