{
 "id": "road-traffic-rolling-year",
 "title": "Road traffic in the latest 12 months, Great Britain",
 "category": "transport",
 "summary": "Motor vehicle traffic on Great Britain's roads in the 12 months to the end of each quarter, billion vehicle miles, over ten years. The latest quarters are provisional.",
 "unit": "bn_miles",
 "chart": "line",
 "volatile": false,
 "status": "",
 "notes": [
  "From DfT's National Road Traffic Survey; DfT marks the latest four quarters provisional until its annual estimates are published each May. Other vehicles are motorcycles, buses and coaches."
 ],
 "provenance": {
  "publisher": "Department for Transport",
  "publisher_url": "https://www.gov.uk/government/organisations/department-for-transport",
  "source_page": "https://www.gov.uk/government/statistical-data-sets/tra25-quarterly-estimates",
  "licence": "OGL-3.0",
  "licence_name": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0.",
  "retrieved_at": "2026-10-30T11:44:42Z",
  "raw_files": [
   {
    "name": "page.json",
    "url": "https://www.gov.uk/api/content/government/statistical-data-sets/tra25-quarterly-estimates",
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    "bytes": 24987,
    "content_type": "application/json"
   },
   {
    "name": "table.ods",
    "url": "https://assets.publishing.service.gov.uk/media/6aba75fa734e2435f202f1b2/tra2501-miles-by-vehicle-type.ods",
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 },
 "meta": {
  "latest_period": "2026-06",
  "status_latest": "[p]",
  "govuk_page": "/government/statistical-data-sets/tra25-quarterly-estimates",
  "govuk_page_title": "Quarterly traffic estimates (TRA25)",
  "attachment_title": "Provisional motor vehicle traffic (vehicle miles) by vehicle type in Great Britain"
 },
 "headline": {
  "label": "All motor vehicles, 12 months to",
  "value": 343.5,
  "period": "2026-06",
  "note": "provisional"
 },
 "series": [
  {
   "name": "All motor vehicles",
   "points": [
    {
     "x": "2016-09",
     "v": 327.1
    },
    {
     "x": "2016-12",
     "v": 327.9
    },
    {
     "x": "2017-03",
     "v": 328.6
    },
    {
     "x": "2017-06",
     "v": 330.2
    },
    {
     "x": "2017-09",
     "v": 330.9
    },
    {
     "x": "2017-12",
     "v": 332.5
    },
    {
     "x": "2018-03",
     "v": 331.9
    },
    {
     "x": "2018-06",
     "v": 332.9
    },
    {
     "x": "2018-09",
     "v": 333.3
    },
    {
     "x": "2018-12",
     "v": 334.2
    },
    {
     "x": "2019-03",
     "v": 336.3
    },
    {
     "x": "2019-06",
     "v": 337.0
    },
    {
     "x": "2019-09",
     "v": 338.6
    },
    {
     "x": "2019-12",
     "v": 338.6
    },
    {
     "x": "2020-03",
     "v": 334.6
    },
    {
     "x": "2020-06",
     "v": 293.9
    },
    {
     "x": "2020-09",
     "v": 282.3
    },
    {
     "x": "2020-12",
     "v": 265.9
    },
    {
     "x": "2021-03",
     "v": 246.0
    },
    {
     "x": "2021-06",
     "v": 279.2
    },
    {
     "x": "2021-09",
     "v": 286.1
    },
    {
     "x": "2021-12",
     "v": 297.6
    },
    {
     "x": "2022-03",
     "v": 317.4
    },
    {
     "x": "2022-06",
     "v": 321.2
    },
    {
     "x": "2022-09",
     "v": 322.3
    },
    {
     "x": "2022-12",
     "v": 323.7
    },
    {
     "x": "2023-03",
     "v": 325.6
    },
    {
     "x": "2023-06",
     "v": 327.4
    },
    {
     "x": "2023-09",
     "v": 329.2
    },
    {
     "x": "2023-12",
     "v": 330.8
    },
    {
     "x": "2024-03",
     "v": 332.9
    },
    {
     "x": "2024-06",
     "v": 334.0
    },
    {
     "x": "2024-09",
     "v": 334.9
    },
    {
     "x": "2024-12",
     "v": 336.2
    },
    {
     "x": "2025-03",
     "v": 336.6
    },
    {
     "x": "2025-06",
     "v": 338.5
    },
    {
     "x": "2025-09",
     "v": 340.4
    },
    {
     "x": "2025-12",
     "v": 342.6
    },
    {
     "x": "2026-03",
     "v": 343.2
    },
    {
     "x": "2026-06",
     "v": 343.5
    }
   ]
  },
  {
   "name": "Cars and taxis",
   "points": [
    {
     "x": "2016-09",
     "v": 254.6
    },
    {
     "x": "2016-12",
     "v": 254.8
    },
    {
     "x": "2017-03",
     "v": 255.2
    },
    {
     "x": "2017-06",
     "v": 256.3
    },
    {
     "x": "2017-09",
     "v": 256.9
    },
    {
     "x": "2017-12",
     "v": 257.9
    },
    {
     "x": "2018-03",
     "v": 257.2
    },
    {
     "x": "2018-06",
     "v": 257.8
    },
    {
     "x": "2018-09",
     "v": 258.1
    },
    {
     "x": "2018-12",
     "v": 259.1
    },
    {
     "x": "2019-03",
     "v": 260.8
    },
    {
     "x": "2019-06",
     "v": 261.6
    },
    {
     "x": "2019-09",
     "v": 263.1
    },
    {
     "x": "2019-12",
     "v": 262.9
    },
    {
     "x": "2020-03",
     "v": 258.8
    },
    {
     "x": "2020-06",
     "v": 224.2
    },
    {
     "x": "2020-09",
     "v": 212.8
    },
    {
     "x": "2020-12",
     "v": 197.3
    },
    {
     "x": "2021-03",
     "v": 179.1
    },
    {
     "x": "2021-06",
     "v": 205.5
    },
    {
     "x": "2021-09",
     "v": 211.4
    },
    {
     "x": "2021-12",
     "v": 221.4
    },
    {
     "x": "2022-03",
     "v": 238.6
    },
    {
     "x": "2022-06",
     "v": 242.0
    },
    {
     "x": "2022-09",
     "v": 242.8
    },
    {
     "x": "2022-12",
     "v": 244.0
    },
    {
     "x": "2023-03",
     "v": 246.0
    },
    {
     "x": "2023-06",
     "v": 247.8
    },
    {
     "x": "2023-09",
     "v": 249.7
    },
    {
     "x": "2023-12",
     "v": 251.3
    },
    {
     "x": "2024-03",
     "v": 253.3
    },
    {
     "x": "2024-06",
     "v": 254.3
    },
    {
     "x": "2024-09",
     "v": 255.1
    },
    {
     "x": "2024-12",
     "v": 256.1
    },
    {
     "x": "2025-03",
     "v": 256.7
    },
    {
     "x": "2025-06",
     "v": 258.4
    },
    {
     "x": "2025-09",
     "v": 260.3
    },
    {
     "x": "2025-12",
     "v": 262.4
    },
    {
     "x": "2026-03",
     "v": 262.8
    },
    {
     "x": "2026-06",
     "v": 262.7
    }
   ]
  },
  {
   "name": "Light commercial vehicles",
   "points": [
    {
     "x": "2016-09",
     "v": 50.2
    },
    {
     "x": "2016-12",
     "v": 50.8
    },
    {
     "x": "2017-03",
     "v": 51.0
    },
    {
     "x": "2017-06",
     "v": 51.4
    },
    {
     "x": "2017-09",
     "v": 51.7
    },
    {
     "x": "2017-12",
     "v": 52.2
    },
    {
     "x": "2018-03",
     "v": 52.4
    },
    {
     "x": "2018-06",
     "v": 52.6
    },
    {
     "x": "2018-09",
     "v": 52.8
    },
    {
     "x": "2018-12",
     "v": 52.8
    },
    {
     "x": "2019-03",
     "v": 53.1
    },
    {
     "x": "2019-06",
     "v": 53.1
    },
    {
     "x": "2019-09",
     "v": 53.3
    },
    {
     "x": "2019-12",
     "v": 53.5
    },
    {
     "x": "2020-03",
     "v": 53.7
    },
    {
     "x": "2020-06",
     "v": 49.2
    },
    {
     "x": "2020-09",
     "v": 49.2
    },
    {
     "x": "2020-12",
     "v": 48.6
    },
    {
     "x": "2021-03",
     "v": 47.0
    },
    {
     "x": "2021-06",
     "v": 52.3
    },
    {
     "x": "2021-09",
     "v": 53.0
    },
    {
     "x": "2021-12",
     "v": 54.4
    },
    {
     "x": "2022-03",
     "v": 56.6
    },
    {
     "x": "2022-06",
     "v": 57.0
    },
    {
     "x": "2022-09",
     "v": 57.3
    },
    {
     "x": "2022-12",
     "v": 57.5
    },
    {
     "x": "2023-03",
     "v": 57.6
    },
    {
     "x": "2023-06",
     "v": 57.6
    },
    {
     "x": "2023-09",
     "v": 57.7
    },
    {
     "x": "2023-12",
     "v": 57.8
    },
    {
     "x": "2024-03",
     "v": 58.0
    },
    {
     "x": "2024-06",
     "v": 58.1
    },
    {
     "x": "2024-09",
     "v": 58.3
    },
    {
     "x": "2024-12",
     "v": 58.5
    },
    {
     "x": "2025-03",
     "v": 58.5
    },
    {
     "x": "2025-06",
     "v": 58.6
    },
    {
     "x": "2025-09",
     "v": 58.7
    },
    {
     "x": "2025-12",
     "v": 58.8
    },
    {
     "x": "2026-03",
     "v": 59.1
    },
    {
     "x": "2026-06",
     "v": 59.6
    }
   ]
  },
  {
   "name": "Heavy goods vehicles",
   "points": [
    {
     "x": "2016-09",
     "v": 16.9
    },
    {
     "x": "2016-12",
     "v": 16.9
    },
    {
     "x": "2017-03",
     "v": 17.0
    },
    {
     "x": "2017-06",
     "v": 17.1
    },
    {
     "x": "2017-09",
     "v": 17.1
    },
    {
     "x": "2017-12",
     "v": 17.1
    },
    {
     "x": "2018-03",
     "v": 17.1
    },
    {
     "x": "2018-06",
     "v": 17.2
    },
    {
     "x": "2018-09",
     "v": 17.2
    },
    {
     "x": "2018-12",
     "v": 17.2
    },
    {
     "x": "2019-03",
     "v": 17.2
    },
    {
     "x": "2019-06",
     "v": 17.2
    },
    {
     "x": "2019-09",
     "v": 17.2
    },
    {
     "x": "2019-12",
     "v": 17.2
    },
    {
     "x": "2020-03",
     "v": 17.3
    },
    {
     "x": "2020-06",
     "v": 16.2
    },
    {
     "x": "2020-09",
     "v": 16.2
    },
    {
     "x": "2020-12",
     "v": 16.2
    },
    {
     "x": "2021-03",
     "v": 16.1
    },
    {
     "x": "2021-06",
     "v": 17.4
    },
    {
     "x": "2021-09",
     "v": 17.4
    },
    {
     "x": "2021-12",
     "v": 17.5
    },
    {
     "x": "2022-03",
     "v": 17.7
    },
    {
     "x": "2022-06",
     "v": 17.6
    },
    {
     "x": "2022-09",
     "v": 17.5
    },
    {
     "x": "2022-12",
     "v": 17.4
    },
    {
     "x": "2023-03",
     "v": 17.3
    },
    {
     "x": "2023-06",
     "v": 17.1
    },
    {
     "x": "2023-09",
     "v": 17.0
    },
    {
     "x": "2023-12",
     "v": 16.9
    },
    {
     "x": "2024-03",
     "v": 16.8
    },
    {
     "x": "2024-06",
     "v": 16.7
    },
    {
     "x": "2024-09",
     "v": 16.7
    },
    {
     "x": "2024-12",
     "v": 16.6
    },
    {
     "x": "2025-03",
     "v": 16.5
    },
    {
     "x": "2025-06",
     "v": 16.4
    },
    {
     "x": "2025-09",
     "v": 16.4
    },
    {
     "x": "2025-12",
     "v": 16.3
    },
    {
     "x": "2026-03",
     "v": 16.3
    },
    {
     "x": "2026-06",
     "v": 16.4
    }
   ]
  },
  {
   "name": "Other vehicles",
   "points": [
    {
     "x": "2016-09",
     "v": 5.4
    },
    {
     "x": "2016-12",
     "v": 5.4
    },
    {
     "x": "2017-03",
     "v": 5.4
    },
    {
     "x": "2017-06",
     "v": 5.4
    },
    {
     "x": "2017-09",
     "v": 5.3
    },
    {
     "x": "2017-12",
     "v": 5.3
    },
    {
     "x": "2018-03",
     "v": 5.2
    },
    {
     "x": "2018-06",
     "v": 5.2
    },
    {
     "x": "2018-09",
     "v": 5.2
    },
    {
     "x": "2018-12",
     "v": 5.1
    },
    {
     "x": "2019-03",
     "v": 5.2
    },
    {
     "x": "2019-06",
     "v": 5.1
    },
    {
     "x": "2019-09",
     "v": 5.0
    },
    {
     "x": "2019-12",
     "v": 5.0
    },
    {
     "x": "2020-03",
     "v": 4.9
    },
    {
     "x": "2020-06",
     "v": 4.3
    },
    {
     "x": "2020-09",
     "v": 4.1
    },
    {
     "x": "2020-12",
     "v": 3.8
    },
    {
     "x": "2021-03",
     "v": 3.7
    },
    {
     "x": "2021-06",
     "v": 4.1
    },
    {
     "x": "2021-09",
     "v": 4.2
    },
    {
     "x": "2021-12",
     "v": 4.3
    },
    {
     "x": "2022-03",
     "v": 4.5
    },
    {
     "x": "2022-06",
     "v": 4.6
    },
    {
     "x": "2022-09",
     "v": 4.7
    },
    {
     "x": "2022-12",
     "v": 4.8
    },
    {
     "x": "2023-03",
     "v": 4.8
    },
    {
     "x": "2023-06",
     "v": 4.8
    },
    {
     "x": "2023-09",
     "v": 4.8
    },
    {
     "x": "2023-12",
     "v": 4.8
    },
    {
     "x": "2024-03",
     "v": 4.8
    },
    {
     "x": "2024-06",
     "v": 4.8
    },
    {
     "x": "2024-09",
     "v": 4.9
    },
    {
     "x": "2024-12",
     "v": 4.9
    },
    {
     "x": "2025-03",
     "v": 4.9
    },
    {
     "x": "2025-06",
     "v": 5.0
    },
    {
     "x": "2025-09",
     "v": 5.0
    },
    {
     "x": "2025-12",
     "v": 5.0
    },
    {
     "x": "2026-03",
     "v": 5.0
    },
    {
     "x": "2026-06",
     "v": 4.9
    }
   ]
  }
 ]
}