{
  "url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2002/part-II/regulation-57",
  "json_url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2002/part-II/regulation-57.json",
  "legislation": "uksi/2002/3113",
  "legislation_title": "The Traffic Signs Regulations and General Directions 2002",
  "legislation_url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2002",
  "path": "part/II/regulation/57",
  "kind": "regulation",
  "number": "57",
  "heading": "Studs",
  "text": "(1) A stud incorporating reflectors or retroreflecting material, but no steady or intermittent light source, may be placed on a road if and only if—\n(a) it is a stud of a type which meets the requirements of paragraph (5); or\n(b) it is of a type approved by the national authority in accordance with direction 58.\n(2) A stud incorporating both reflectors or retroreflecting material and a steady or intermittent light source, may be placed on a road if and only if—\n(a) so far as it incorporates reflectors or retroreflecting material it is of a type that meets the requirements of paragraph (5) and, so far as it incorporates a steady or intermittent light source, it is of a type approved by the national authority in accordance with direction 58; or\n(b) it is of a type approved by the national authority in accordance with direction 58.\n(3) A stud incorporating a steady or intermittent light source and no reflectors or retroreflecting material may be placed on a road if and only if it is of a type approved by the national authority in accordance with direction 58.\n(4) In paragraph (5) “the British Standards” means British Standards BS EN 1463-1:1998 Incorporating Amendment No. 1 and BS EN 1463-2:2000 for retroreflecting road studs.\n(5) Table\n(1)\n(2)\n(3)\nItem\nDescription of stud\nRequirement or test specification and class\nNOTE: Expressions used in the table bear the same meanings as in the British Standards.\n1.\nNon depressible road stud\nDimensions : height – class H1 or H2\n2.\nDepressible road stud\nDimensions : height – class H1, H2 or H3\n3.\nPermanent road stud\nDimensions : maximum horizontal dimension exposed to traffic: HD1\n4.\nTemporary road stud\nDimensions : minimum horizontal dimension exposed to traffic: HDT1\n5.\nPermanent road stud\nNight-time visibility : photometric requirements – class PRP1\n6.\nTemporary road stud\nNight-time visibility : photometric requirements – class PRT1\n7.\nTemporary road stud\nDaytime visibility : colour of body of stud\nclass DCR1 fluorescent green-yellow\nclass DV1\n8.\nAny stud\nColorimetric requirements – class NCR1 for white, amber, red or green retroreflectors only\n9.\nAny stud\nPrimary assessment – class S1\n10.\nAny stud\nNight-time visibility assessment – class R1, R2 or R3",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Pt. 2 revoked (22.4.2016) by The Traffic Signs Regulations and General Directions 2016 (S.I. 2016/362), dir. 1(1)(b), Sch. 19 Pt. 2 (with dirs. 12, 13)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in dir. 57 substituted (23.5.2016) by Scotland Act 2016 (c. 11), s. 72(7), Sch. 2 para. 32(2)(e)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in dir. 57(4) substituted (30.1.2012) by The Traffic Signs (Amendment) (No. 2) Regulations and General Directions 2011 (S.I. 2011/3041), dirs. 1(1)(c), 34(2) (with dir. 36)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Dir. 57(5) substituted (30.1.2012) by The Traffic Signs (Amendment) (No. 2) Regulations and General Directions 2011 (S.I. 2011/3041), dirs. 1(1)(c), 34(3) (with dir. 36)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Words in dir. 57 Table note substituted (30.1.2012) by The Traffic Signs (Amendment) (No. 2) Regulations and General Directions 2011 (S.I. 2011/3041), dirs. 1(1)(c), 34(4) (with dir. 36)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Dir. 57 in force at 31.1.2003, see dir. 1(b)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2002/3113/part/II/regulation/57",
    "retrieved_at": "2026-10-29T06:35:51.675498+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."
}