Prohibitory traffic sign
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Prohibitory traffic signs are used to prohibit certain types of manoeuvres or some types of traffic.
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[edit] Prohibitory traffic signs
[edit] No entry
No Admittance to Un-Authorised Personnel
[edit] Speed limits
See: Speed limit
Used to indicate either a minimum or maximum speed limit.
[edit] No parking
Amongst one of the most familiar signs, this sign is used where parking or stopping should be prohibited.
[edit] No overtaking
Either overtaking is prohibited for all vehicles or certain kinds of vehicles only (e.g. lorries, motorcycles, etc...) In the USA this is usually phrased as "no passing" and indicated by triangular signs on the opposite side of the road (where they will be seen by a driver who is attempting to pass, and sometimes supplemented by a rectangular, black-on-white sign on the right side of the road that says "Do not Pass") and/or by a double solid line painted down the middle of the road. Conversely, when the no passing regulation is lifted, a rectangular, black-on-white sign that says "Pass with care" is placed on the right side of the road and the centerline changes to either a single broken centerline (indicating that passing is allowed in either direction) or a combination of a broken and a solid centerline (indicating that passing is only allowed from the side with the broked centerline).
[edit] No right or left turn
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