{
  "url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-13/part-4",
  "json_url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-13/part-4.json",
  "legislation": "uksi/2016/362",
  "legislation_title": "The Traffic Signs Regulations and General Directions 2016",
  "legislation_url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016",
  "path": "schedule/13/part/4",
  "kind": "part",
  "number": "4",
  "heading": "Optional supplementary plates used only in combination with signs shown in Part 2",
  "text": "Sign table — Schedule 13, Part 4\n(1)\nItem\n(2)\nDescription\n(3)\nSign diagram\n1\nDiagram 511\nReduction in speed necessary at a hazard ahead\n2\nDiagram 513.2\nMaximum speed in mph advised at a hazard.\n3\nDiagram 7009.1\nRisk of skidding and maximum speed 20 mph advised on road with loose chippings",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 13 Pt. 4 in force at 22.4.2016, see reg. 1(b)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/362/schedule/13/part/4",
    "retrieved_at": "2026-11-05T03:41:34.516500+00:00"
  },
  "licence": "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. Source: legislation.gov.uk, The National Archives."
}