[
  {
    "period_a_label": "Nov-Dec 2025",
    "period_b_label": "Jan-Feb 2026",
    "tirtl_site_id": "WGB_INBOUND_E",
    "site_name": "West Gate Bridge inbound E",
    "road_name": "West Gate Freeway / West Gate Bridge",
    "corridor_id": "WEST_GATE_BRIDGE",
    "corridor_name": "West Gate Bridge",
    "suburb": "Spotswood / Port Melbourne corridor",
    "lga": "Hobsons Bay / Melbourne",
    "lat": -37.8309,
    "lng": 144.900501,
    "direction": "inbound",
    "heading": "E",
    "vehicles_a": 5322152.0,
    "vehicles_b": 5091649.0,
    "vehicles_change": -230503.0,
    "vehicles_pct_change": -4.33,
    "trucks_a": 900474.0,
    "trucks_b": 835963.0,
    "trucks_change": -64511.0,
    "trucks_pct_change": -7.16,
    "truck_share_a_pct": 16.92,
    "truck_share_b_pct": 16.42,
    "truck_share_point_change": -0.5,
    "avg_speed_a_kmh": 65.2,
    "avg_speed_b_kmh": 68.99,
    "avg_speed_change_kmh": 3.79
  },
  {
    "period_a_label": "Nov-Dec 2025",
    "period_b_label": "Jan-Feb 2026",
    "tirtl_site_id": "WGB_OUTBOUND_W",
    "site_name": "West Gate Bridge outbound W",
    "road_name": "West Gate Freeway / West Gate Bridge",
    "corridor_id": "WEST_GATE_BRIDGE",
    "corridor_name": "West Gate Bridge",
    "suburb": "Spotswood / Port Melbourne corridor",
    "lga": "Hobsons Bay / Melbourne",
    "lat": -37.830815,
    "lng": 144.900329,
    "direction": "outbound",
    "heading": "W",
    "vehicles_a": 5622671.0,
    "vehicles_b": 5383456.0,
    "vehicles_change": -239215.0,
    "vehicles_pct_change": -4.25,
    "trucks_a": 947330.0,
    "trucks_b": 849546.0,
    "trucks_change": -97784.0,
    "trucks_pct_change": -10.32,
    "truck_share_a_pct": 16.85,
    "truck_share_b_pct": 15.78,
    "truck_share_point_change": -1.07,
    "avg_speed_a_kmh": 65.97,
    "avg_speed_b_kmh": 70.53,
    "avg_speed_change_kmh": 4.56
  }
]