{
  "url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-14/part-1/paragraph-17",
  "json_url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-14/part-1/paragraph-17.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/14/part/1/paragraph/17",
  "kind": "paragraph",
  "number": "17",
  "heading": "Beacons displayed with upright signs relating to the operation of light signals",
  "text": "(1) For conveying the additional warning that drivers should take special care, a beacon which shows an intermittent amber light placed may be placed in combination with an upright sign provided for at item 61, 62 or 63 of the Part 2 sign table (upright signs giving information about the operation of traffic light signals).\n(2) The operating requirements for a beacon mentioned in sub-paragraph (1) are—\n(a) the peak intensity of light emitted by the lens or lenses of each such beacon must be—\n(i) if the period between individual flashes does not exceed ¼ of a second, not less than 100 candela on the principal axis of the relevant lens;\n(ii) if the period between individual flashes exceeds ¼ of a second, not less than 2000 candela on the principal axis; or\n(iii) if the period between the cessation of a double flash and the start of the succeeding double flash exceeds ¼ of a second, not less than 1000 candela on the principal axis;\n(b) each lens must be of such a shape and size that the perimeter of its area projected horizontally onto a vertical plane is capable of lying wholly inside a square having sides of 200 mm in length and wholly outside a square having sides of 100 mm in length;\n(c) the height of the centre of the lenses from the surface of the carriageway in the immediate vicinity must be not less than 800 nor more than 1500 mm; and\n(d) the rate of flashing must be not less than 55 nor more than 150 individual or double flashes per minute.",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 14 Pt. 1 para. 17 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/14/part/1/paragraph/17",
    "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."
}