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The term regulatory sign describes a range of signs that are used to indicate or reinforce traffic laws, regulations or requirements which apply either at all times or at specified times or places upon a street or highway, the disregard of which may constitute a violation, or signs in general that regulate public behavior in places open to the public.


Traffic signsEdit

Regulatory traffic signs follow international conventions, usually being:

  • White circle or rectangle with red border and black pictogram and/or words
  • Blue circle or rectangle with white border and white pictogram
  • Red rectangle with white border and white writing
  • Red octagon with white border and white writing (exclusively STOP sign[1])

Non-traffic signsEdit

Examples of non-traffic types of regulatory signs might be tow-away signs for vehicles without disabled parking stickers or no-smoking signs where there are laws prohibiting smoking.

See alsoEdit


  1. ^ "Stop sign".