{
    "node": {
        "id": "rack_market:market-madison-wi",
        "entity_type": "rack_market",
        "entity_id": "market-madison-wi",
        "name": "Madison, WI",
        "city": "Madison",
        "state": "WI",
        "latitude": 43.060926,
        "longitude": -88.230636,
        "status": "active",
        "products": [
            "gasoline_diesel",
            "biodiesel",
            "ethanol"
        ],
        "opis_code": 420,
        "opis_name": "Madison",
        "url": "https://thinkingonenergy.com/supply/market/market-madison-wi/",
        "provenance": {
            "origin": "research",
            "verification": "sourced",
            "last_modified": "2026-10-07T03:35:14-05:00",
            "publisher": "Thinking On Energy"
        }
    },
    "connections": [
        {
            "direction": "inbound",
            "other": {
                "id": "rack_terminal:u-s-oil-madison-south-terminal-mcfarland-wi",
                "entity_type": "rack_terminal",
                "name": "U.s. Oil Madison South Terminal",
                "city": "Mcfarland",
                "state": "WI",
                "tcn_code": "T-39-WI-3088",
                "url": "https://thinkingonenergy.com/supply/terminal/T-39-WI-3088/",
                "json": "https://thinkingonenergy.com/supply/node/rack_terminal/u-s-oil-madison-south-terminal-mcfarland-wi.json"
            },
            "id": "edge:9d71b5b6004ad94f",
            "from": "rack_terminal:u-s-oil-madison-south-terminal-mcfarland-wi",
            "to": "rack_market:market-madison-wi",
            "from_entity_type": "rack_terminal",
            "from_entity_id": "u-s-oil-madison-south-terminal-mcfarland-wi",
            "to_entity_type": "rack_market",
            "to_entity_id": "market-madison-wi",
            "relationship": "serves",
            "transport_mode": "truck_rack",
            "method": "research",
            "edge_status": "active",
            "label": "serves by truck rack",
            "provenance": {
                "origin": "research",
                "verification": "sourced",
                "confidence": "medium",
                "basis": "market research",
                "last_modified": "2026-10-07T03:35:04-05:00",
                "publisher": "Thinking On Energy"
            }
        }
    ],
    "vocabulary": "https://thinkingonenergy.com/supply/vocab/",
    "generated_at": "2026-10-07T18:28:00+00:00",
    "citation": "Thinking On Energy, Supply Explorer, https://thinkingonenergy.com/supply/market/market-madison-wi/, accessed 2026-10-07."
}