from_stop_id,to_stop_id,transfer_type,min_transfer_time
91463,91463,0,
91234,91234,0,
90979,90979,0,
91354,1373,0,
91448,91448,0,
91866,91866,0,
617,617,0,
91046,91046,0,
91143,91143,0,
91409,91409,0,
91481,91481,0,
91162,91162,0,
91187,91187,0,
1090,1090,0,
91076,91076,0,
1373,91354,0,
636,636,0,
91909,91909,0,
91058,91058,0,