Vehicle markings

LDC Driving Schools

Vehicle Markings

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Motor vehicles over 7500 kilograms maximum gross weight and trailers over 3500 kilograms maximum gross weight

The vertical markings are also required to be fitted to builders' skips placed in the road, commercial vehicles or combinations longer than 13 metres (optional on combinations between 11 and 13 metres)

Highway Code Rule illustrationLeft - Central - Right

Certain tank vehicles carrying dangerous goods must display hazard information panels

Highway Code Rule illustrationThe panel illustrated is for flammable liquid. Diamond symbols indicating other risks include:
Highway Code Rule illustrationThe above panel will be displayed by vehicles carrying certain dangerous goods in packages
Highway Code Rule illustrationToxic substance
Highway Code Rule illustrationOxidizing substance
Highway Code Rule illustrationNon-flammable compressed gas
Highway Code Rule illustrationRadioactive substance
Highway Code Rule illustrationSpontaneously combustible substance
Highway Code Rule illustrationCorrosive substance

Both required when load or equipment (eg crane jib) overhangs front or rear by more than two metres

Highway Code Rule illustrationSide marker
Highway Code Rule illustrationEnd marker
Highway Code Rule illustrationSchool bus (displayed in front or rear window of bus or coach)
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The Highway Code is Crown copyright and is reproduced under the Open Government Licence v3.0. Contains public sector information licensed under the Open Government Licence v3.0. Source: GOV.UK – The Highway Code. LDC's supplementary notes are © LDC. Highway Code content last checked against GOV.UK: 11 September 2026.

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