{
  "zones": [
    {
      "zone": "Within 0.25mi of trail",
      "n": 5647,
      "median_growth_pct": 143.6,
      "median_dollar_gain": 233500,
      "median_2015_value": 155500,
      "avg_cbd_distance": 1.45,
      "matched_non_tad_growth": 154.9
    },
    {
      "zone": "0.25\u20130.5mi from trail",
      "n": 5827,
      "median_growth_pct": 139.3,
      "median_dollar_gain": 218000,
      "median_2015_value": 143100,
      "avg_cbd_distance": 1.59,
      "matched_non_tad_growth": 152.0
    },
    {
      "zone": "0.5\u20131.0mi from trail",
      "n": 9316,
      "median_growth_pct": 94.8,
      "median_dollar_gain": 177700,
      "median_2015_value": 171300,
      "avg_cbd_distance": 1.92,
      "matched_non_tad_growth": 159.8
    },
    {
      "zone": "1.0\u20132.0mi from trail",
      "n": 9765,
      "median_growth_pct": 120.5,
      "median_dollar_gain": 194800,
      "median_2015_value": 153600,
      "avg_cbd_distance": 2.57,
      "matched_non_tad_growth": 241.2
    },
    {
      "zone": ">2.0mi from trail",
      "n": 5841,
      "median_growth_pct": 76.5,
      "median_dollar_gain": 245400,
      "median_2015_value": 339800,
      "avg_cbd_distance": 4.06,
      "matched_non_tad_growth": 440.3
    }
  ],
  "summary": {
    "near_trail_n": 11474,
    "near_trail_median": 139.8,
    "far_trail_n": 15606,
    "far_trail_median": 93.1,
    "matched_control_median": 154.9
  },
  "interpretation": "The BeltLine TAD encompasses ~40k parcels but most are far from actual BeltLine trail investment. Even parcels near the trail don't outperform distance-matched non-TAD controls."
}