from_stop_id,to_stop_id,transfer_type
600450,600394,
600456,600394,
600456,600450,
600614,600398,
600615,600385,
600617,600315,
600618,600456,
600618,600599,
600619,600456,
600619,600618,
600620,600315,
600620,600617,
600622,600621,
600623,600621,
600623,600622,
600624,600621,
600624,600622,
600624,600623,
600625,600317,
600627,600315,
600627,600617,
600627,600620,
600629,600315,
600629,600617,
600629,600620,
600629,600627,
600631,600315,
600631,600617,
600631,600620,
600631,600627,
600631,600629,
600634,600315,
600634,600617,
600634,600620,
600634,600627,
600634,600629,
600634,600631,
600643,600315,
600643,600617,
600643,600620,
600643,600627,
600643,600629,
600643,600631,
600643,600634,
