from_stop_id,to_stop_id,transfer_type,min_transfer_time
377,114,,
297,115,,
248,149,,
1569,164,,
452,207,,
149,248,,
280,272,,
272,280,,
115,297,,
114,377,,
450,380,,
426,423,,
423,426,,
439,438,,
438,439,,
380,450,,
207,452,,
465,462,,
462,465,,
461,466,,
1762,605,,
1966,610,,
610,613,,
1967,613,,
1762,616,,
937,902,,
1305,1301,,
1301,1305,,
1509,1400,,
2073,1404,,
1520,1424,,
1969,1432,,
1702,1437,,
1609,1507,,
1400,1509,,
1424,1520,,
164,1569,,
1507,1609,,
1747,1742,,
1742,1747,,
605,1762,,
616,1762,,
1897,1896,,
1896,1897,,
1929,1928,,
1928,1929,,
610,1966,,
613,1967,,
1432,1969,,
1988,1978,,
1978,1988,,
2117,2072,,
1404,2073,,
2108,2098,,
2098,2108,,
2226,2225,,
2225,2226,,
