{
  "dataset": "Waymo S2 mileage by analytical market and release",
  "market_definition": {
    "Phoenix": "Maricopa County, Arizona",
    "San Francisco Bay Area": "San Francisco, San Mateo, and Santa Clara counties, California",
    "Los Angeles": "Los Angeles County, California",
    "Austin": "Travis County, Texas",
    "Atlanta": "Fulton and DeKalb counties, Georgia"
  },
  "vintages": [
    "202506",
    "202509",
    "202512",
    "202603",
    "202606"
  ],
  "markets": {
    "Atlanta": [
      {
        "vintage_end": "202603",
        "cumulative_miles": 3587740.4,
        "incremental_miles_vs_prior_release": 3587740.4,
        "cell_count": 168
      },
      {
        "vintage_end": "202606",
        "cumulative_miles": 5783708.0,
        "incremental_miles_vs_prior_release": 2195967.6,
        "cell_count": 213
      }
    ],
    "Austin": [
      {
        "vintage_end": "202506",
        "cumulative_miles": 3224903.1,
        "incremental_miles_vs_prior_release": 3224903.1,
        "cell_count": 93
      },
      {
        "vintage_end": "202509",
        "cumulative_miles": 6336633.6,
        "incremental_miles_vs_prior_release": 3111730.5,
        "cell_count": 214
      },
      {
        "vintage_end": "202512",
        "cumulative_miles": 10721870.3,
        "incremental_miles_vs_prior_release": 4385236.7,
        "cell_count": 287
      },
      {
        "vintage_end": "202603",
        "cumulative_miles": 15788782.8,
        "incremental_miles_vs_prior_release": 5066912.5,
        "cell_count": 289
      },
      {
        "vintage_end": "202606",
        "cumulative_miles": 21064489.3,
        "incremental_miles_vs_prior_release": 5275706.5,
        "cell_count": 268
      }
    ],
    "Los Angeles": [
      {
        "vintage_end": "202506",
        "cumulative_miles": 16462383.1,
        "incremental_miles_vs_prior_release": 16462383.1,
        "cell_count": 297
      },
      {
        "vintage_end": "202509",
        "cumulative_miles": 25469742.4,
        "incremental_miles_vs_prior_release": 9007359.3,
        "cell_count": 311
      },
      {
        "vintage_end": "202512",
        "cumulative_miles": 37857410.4,
        "incremental_miles_vs_prior_release": 12387668.0,
        "cell_count": 310
      },
      {
        "vintage_end": "202603",
        "cumulative_miles": 51815503.3,
        "incremental_miles_vs_prior_release": 13958092.9,
        "cell_count": 315
      },
      {
        "vintage_end": "202606",
        "cumulative_miles": 67097806.2,
        "incremental_miles_vs_prior_release": 15282303.0,
        "cell_count": 312
      }
    ],
    "Phoenix": [
      {
        "vintage_end": "202506",
        "cumulative_miles": 46389725.0,
        "incremental_miles_vs_prior_release": 46389725.0,
        "cell_count": 635
      },
      {
        "vintage_end": "202509",
        "cumulative_miles": 56535054.8,
        "incremental_miles_vs_prior_release": 10145329.8,
        "cell_count": 624
      },
      {
        "vintage_end": "202512",
        "cumulative_miles": 68613293.0,
        "incremental_miles_vs_prior_release": 12078238.2,
        "cell_count": 622
      },
      {
        "vintage_end": "202603",
        "cumulative_miles": 80551000.5,
        "incremental_miles_vs_prior_release": 11937707.5,
        "cell_count": 622
      },
      {
        "vintage_end": "202606",
        "cumulative_miles": 92121323.8,
        "incremental_miles_vs_prior_release": 11570323.3,
        "cell_count": 615
      }
    ],
    "San Francisco Bay Area": [
      {
        "vintage_end": "202506",
        "cumulative_miles": 29888159.6,
        "incremental_miles_vs_prior_release": 29888159.6,
        "cell_count": 123
      },
      {
        "vintage_end": "202509",
        "cumulative_miles": 38816163.6,
        "incremental_miles_vs_prior_release": 8928004.0,
        "cell_count": 123
      },
      {
        "vintage_end": "202512",
        "cumulative_miles": 53519771.5,
        "incremental_miles_vs_prior_release": 14703607.9,
        "cell_count": 614
      },
      {
        "vintage_end": "202603",
        "cumulative_miles": 67078125.8,
        "incremental_miles_vs_prior_release": 13558354.3,
        "cell_count": 663
      },
      {
        "vintage_end": "202606",
        "cumulative_miles": 82421306.6,
        "incremental_miles_vs_prior_release": 15343180.8,
        "cell_count": 776
      }
    ]
  }
}