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 3214,3213,2,300 3214,3215,2,300 3215,3187,2,300 3215,3214,2,300