from_stop_id,to_stop_id,transfer_type,min_transfer_time
2503905,2503905,1,
2503906,2503906,1,
2503972,2504853,1,
2503974,2503974,1,
2504008,2504008,1,
2504019,2504019,1,
2504085,2504085,1,
2504166,2504166,1,
2504358,2504358,1,
2504374,2504374,1,
2504615,2504615,1,
2504672,2504672,1,
2504853,2503972,1,
2504883,2504883,1,
2504885,2504885,1,
2511347,2511347,1,
2511355,2511355,1,
2511358,2511358,1,
2526366,2526366,1,
2555890,2555890,1,
