Regulatory sign

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. The FHWA defines Regulatory Sign as "a sign that gives notice to road users of traffic laws or regulations."[1]

Traffic signs

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[2])

United States

Regulatory traffic signs within the United States must comply with the federal Manual on Uniform Traffic Control Devices (MUTCD) or the State MUTCD, depending on the state in which the sign is installed. These signs typically have a white background with black or red legends (legends include text, symbols, graphics not part of the background), however some specific signs may differ in their colors.

Non-traffic signs

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 also

References
  1. Federal Highway Administration (2009). Manual on Uniform Traffic Control Devices (PDF). p. 19. ISBN 1937299082.
  2. "Stop sign".


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