{
  "url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-12/part-20",
  "json_url": "https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-12/part-20.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/12/part/20",
  "kind": "part",
  "number": "20",
  "heading": "Warning and regulatory symbols that may be incorporated on directional signs",
  "text": "Sign table — Schedule 12, Part 20\n(1)\nItem\n(2)\nDescription\n(3)\nSymbol\n(4)\nVariants\n1\nWarning of a steep hill downwards\nThe numerals may be varied\n2\nWarning of a steep hill upwards\nThe numerals may be varied\n3\nWarning of a hump bridge\n4\nWarning of an opening or swing bridge\n5\nWarning of a tunnel\n6\nMaximum headroom available at hazard\n(Metric and imperial units)\nThe numerals may be varied\n7\nWarning of a zebra crossing\n8\nWarning of a cattle grid\n9\nWorded warning symbol\n(Gate)\n10\nWorded warning symbol\n(Gates)\n11\nWorded warning symbol\n(Ford)\n12\nWarning of a water course alongside road\nThe symbol may be reversed\n13\nWarning of a road hump or series of road humps\n14\nWarning of a level crossing with gate or barrier\n15\nWarning of a railway level crossing without gate or barrier\n16\nWarning of tramcars crossing\n17\nWarning of an electrified overhead cable\n18\nWarning of a crossing for cycles and electric scooters being used in a trial\nThe symbol may be reversed\n19\nNo right turn at all times\nThe symbol may be reversed\n20\nNo U-turn at all times (only for use on the signs provided for at items 5 and 6 of the sign table in Part 28)\n21\nNo entry for vehicular traffic\n22\nAll vehicles prohibited except non-mechanically propelled vehicles pushed by pedestrians\n1. The distance may be varied\n2. The distance may be omitted\n3. “No vehicles” may be on two lines\n4. “No vehicles” may be varied to “Play Street” with or without a time period and “except for access”\n5. When “No vehicles” is shown a time period may be added\n6. When “No vehicles” is shown, with or without a time period, the legend may include exceptions in accordance with paragraph 15 in Part 3 of Schedule 3\n7. The black border of the rectangular plate symbol may be omitted when the plate is placed on a blue, dark green or brown background part of the sign\n23\nMotor vehicles prohibited , except for electric scooters being used in a trial\nThe motor cycle symbol may be reversed\n24\nGoods vehicles exceeding the maximum gross weight indicated prohibited\n(Alternative types)\nThe numerals may be varied\n25\nVehicles exceeding the maximum gross weight indicated prohibited (Structural weight limit)\n“18t” may be varied to “3t”, “7.5t”, “10t”, “13t”, “26t” or “33t”\n26\nVehicles carrying explosives prohibited\n27\nVehicles carrying dangerous goods with the classification code indicated by the sign prohibited from proceeding through a tunnel ahead\n1. The classification letter “B” may be varied to “C”, “D” or “E”\n2. The black border of the rectangular plate may be omitted when the plate is placed on a dark background\n28\nBuses prohibited\n(Alternative types)\n29\nMotor vehicles except solo motor cycles prohibited\n30\nTowed caravans prohibited\nThe symbol may be reversed\n31\nSolo motor cycles prohibited , except for electric scooters being used in a trial\nThe symbol may be reversed\n32\nHorse-drawn vehicles prohibited\nThe symbol may be reversed\n33\nVehicles or combinations of vehicles exceeding the length indicated prohibited\n(Imperial and metric units)\n1. The numerals may be varied\n2. The two lorry symbols may be reversed\n34\nVehicles exceeding width indicated prohibited\n(Metric and imperial units)\nThe numerals may be varied\n35\nVehicles exceeding height indicated prohibited\n(Metric and imperial units)\nThe numerals may be varied\n36\nRoute for use by buses, pedal cycles , electric scooters being used in a trial and taxis only\n(Alternative types)\nThe cycle symbol, the word “taxi” or both may be omitted\n37\nRoute for use by buses, pedal cycles and solo motor cycles only\n(Alternative types)\n38\nRoute for use by buses, pedal cycles, solo motor cycles and taxis only\n(Alternative types)\n39\nRoute for use by tramcars only\n40\nRoute for use by tramcars and buses only\n(Alternative types)\n41\nRoute for use by tramcars, buses , electric scooters being used in a trial and pedal cycles only\n(Alternative types)\n42\nRoute for use by tramcars, buses, pedal cycles , electric scooters being used in a trial and taxis only\n(Alternative types)\n43\nRoute for use by tramcars, buses, pedal cycles, solo motor cycles and taxis only\n(Alternative types)\nThe word “taxi” may be omitted\n44\nOptional symbol representing a supplementary plate for use with symbols at items 1 to 43, indicating the distance to a hazard or prohibition\n1. The distance may be varied\n2. The black border must be omitted when the symbol is placed on a blue, dark green or brown background part of the sign.\n45\nOptional symbol representing a supplementary plate for use with circular symbols from this table (except items 22, 25, 27 and 35) , indicating conditions relating to a prohibition\n1. The legend may be varied in accordance with paragraphs 8 and 15, or a combination of both, in Part 3 of Schedule 3\n2. The legend may be varied to “Except trams” when the symbol is used in combination with the symbol shown by the diagram at item 21\n3. The legend may be varied to “No explosives” or “No inflammables or explosives” when the symbol is used in combination with the symbol at item 26\n4. The legend may be varied to “and authorised vehicles” when the symbol is used in combination with a symbol at items 36 to 43\n5. The black border may be omitted when the symbol is placed on a blue, dark green or brown background part of the sign\n46\nLow Emission Zone",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Sch. 12 Pt. 20 Table substituted (E.) (4.7.2020) by The Electric Scooter Trials and Traffic Signs (Coronavirus) Regulations and General Directions 2020 (S.I. 2020/663), regs. 1(2), 5(12)(a)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Sch. 12 Pt. 20 Table inserted (E.) (19.2.2021) by The Traffic Signs (Coronavirus) (Amendment) (England) Regulations 2021 (S.I. 2021/75), regs. 1(1), 2(13)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Sch. 12 Pt. 20 Table inserted (E.) (4.7.2020) by The Electric Scooter Trials and Traffic Signs (Coronavirus) Regulations and General Directions 2020 (S.I. 2020/663), regs. 1(2), 5(12)(b)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Words in Sch. 12 Pt. 20 Table inserted (E.) (4.7.2020) by The Electric Scooter Trials and Traffic Signs (Coronavirus) Regulations and General Directions 2020 (S.I. 2020/663), regs. 1(2), 5(12)(c)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (S.) (28.6.2018) by The Traffic Signs Amendment (Scotland) Regulations and General Directions 2018 (S.S.I. 2018/161), regs. 1(2), 12(4)(a)"
    },
    {
      "type": "F",
      "label": "F6",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (E.W.) (13.12.2017) by The Traffic Signs (Amendment) (England and Wales) Regulations and General Directions 2017 (S.I. 2017/1086), regs. 1(2), 12(4)(a)"
    },
    {
      "type": "F",
      "label": "F7",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (S.) (28.6.2018) by The Traffic Signs Amendment (Scotland) Regulations and General Directions 2018 (S.S.I. 2018/161), regs. 1(2), 12(4)(b)(i)"
    },
    {
      "type": "F",
      "label": "F8",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (E.W.) (13.12.2017) by The Traffic Signs (Amendment) (England and Wales) Regulations and General Directions 2017 (S.I. 2017/1086), regs. 1(2), 12(4)(b)(i)"
    },
    {
      "type": "F",
      "label": "F9",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (S.) (28.6.2018) by The Traffic Signs Amendment (Scotland) Regulations and General Directions 2018 (S.S.I. 2018/161), regs. 1(2), 12(4)(b)(ii)"
    },
    {
      "type": "F",
      "label": "F10",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (E.W.) (13.12.2017) by The Traffic Signs (Amendment) (England and Wales) Regulations and General Directions 2017 (S.I. 2017/1086), regs. 1(2), 12(4)(b)(ii)"
    },
    {
      "type": "F",
      "label": "F11",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (S.) (28.6.2018) by The Traffic Signs Amendment (Scotland) Regulations and General Directions 2018 (S.S.I. 2018/161), regs. 1(2), 12(4)(b)(iii)"
    },
    {
      "type": "F",
      "label": "F12",
      "text": "Words in Sch. 12 Pt. 20 Table item 45 substituted (E.W.) (13.12.2017) by The Traffic Signs (Amendment) (England and Wales) Regulations and General Directions 2017 (S.I. 2017/1086), regs. 1(2), 12(4)(b)(iii)"
    },
    {
      "type": "F",
      "label": "F13",
      "text": "Sch. 12 Pt. 20 Table item 46 inserted (S.) (23.5.2022) by The Traffic Signs Amendment (Scotland) Regulations and General Directions 2022 (S.S.I. 2022/111), regs. 1(2), 7(4)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 12 Pt. 20 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/12/part/20",
    "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."
}