transfers.txt: Rules for making connections at transfer points between routes.
| Column |
|---|
| from_stop_id |
| to_stop_id |
| transfer_type |
| min_transfer_time |
from_stop_id,to_stop_id,transfer_type,min_transfer_time 1600,1619,2,443 1600,1621,2,300 1600,2295,2,300 1600,4611,2,300