{
  "service_date": "2026-09-08",
  "gtfs": {
    "stops.txt": "stop_id,stop_name\nA,First\nX,Interchange\nB,Last\n",
    "routes.txt": "route_id,route_short_name,route_type\nR1,One,3\nR2,Two,3\n",
    "trips.txt": "route_id,service_id,trip_id\nR1,WK,T1\nR2,WK,T2\n",
    "stop_times.txt": "trip_id,arrival_time,departure_time,stop_id,stop_sequence\nT1,08:00:00,08:00:00,A,1\nT1,08:20:00,08:20:00,X,2\nT2,08:25:00,08:25:00,X,1\nT2,08:45:00,08:45:00,B,2\n",
    "calendar_dates.txt": "service_id,date,exception_type\nWK,20260908,1\n"
  },
  "connections": [
    {
      "from_trip": "T1",
      "from_stop": "X",
      "to_trip": "T2",
      "to_stop": "X",
      "walk_seconds": 120
    }
  ],
  "delays_seconds": [
    0,
    120,
    240
  ]
}