{
  "url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-16/part-7",
  "json_url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-16/part-7.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/16/part/7",
  "kind": "part",
  "number": "7",
  "heading": "Performance classes",
  "text": "Table 1\n(1)\nItem\n(2)\nAspect of performance\n(3)\nRequirements or classes for colour\n(4)\nRequirements or classes for colour\n(5)\nRequirements or classes for colour\n(6)\nRequirements or classes for colour\n(7)\nRequirements or classes for colour\n1\nWhite\nYellow\nGreen\nRed\nBlue\n2\nColour Chromaticity Area\nArea 10\nArea 9\n(Yellow C2)\nArea 11\n(Green C2)\nArea 7\n(Red C2)\nArea 12\n(Blue C2)\n3\nLuminance\nL1\nL1\nL1\nL1\nL1\nL3\nL3\nL3\nL3\nL3\n4\nLuminance Ratio (On Axis)\nR3\nR3\nR3\nR3\nR3\nR1\nR1\nR1\nR1\nR1\n5\nBeam Width\nNarrow\nB1\nB1\nB1\nB1\nB1\nWide\nB3\nB3\nB3\nB3\nB3\nTable 2\n(1)\nItem\n(2)\nAspect of Performance\n(3)\nRequirement or Class\n1\nTemperature\nT1\n2\nPollution\nD1\n3\nProtection\nP2\nTable 3\n(1)\nItem\n(2)\nVisual performance parameter\n(3)\nClass designation - Level 1\n(4)\nClass designation - Level 2\n1.\nColour\nC2\nC2\n2.\nLuminance\nL3\nL1\n3.\nLuminance ratio\nR3\nR1\n4.\nBeam Width\nB1 or B3\nB1 or B3\nTable 4\n(1)\nItem\n(2)\n85percentile approach speed (mph)\n(3)\nClass designation\n1.\nUp to and including 50\n1 or 2\n2.\nOver 50\n1",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 16 Pt. 7 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/16/part/7",
    "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."
}