The general prohibition sign, [1] also known informally as the no symbol, 'do not' sign, circle-backslash symbol, nay, interdictory circle, prohibited symbol, don't do it symbol, or universal no, is a red circle with a 45-degree diagonal line inside the circle from upper-left to lower-right. It is typically overlaid on a pictogram to warn that ...

Prohibitory traffic signs are used to prohibit certain types of manoeuvres or some types of traffic. No admittance to unauthorised personnel, usually shown as a red circle with a white rectangle across its face. It is often used for one-way traffic. These signs denote that the road is only for traffic coming in the opposite direction.

2024年2月12日 · The Netherland delegation proposed some different signs (pp.278–283), and it contained another "Waiting prohibited" sign: a round white sign with a red border and the black letter P in the middle, again without a diagonal stroke.

2024年3月9日 · But it was not the only term the symbol has fallen under since then, with a few others including the “universal no,” the “general prohibition sign,” and the “circle-slash.” Starting in the 1930s and through World War II, this symbol-driven approach found firm footing throughout Europe, but in North America, it was a tougher sale.

2025年1月1日 · Prohibition signs are safety symbols designed to indicate actions, behaviors, or access that are explicitly forbidden in specific areas or situations. They use simple pictograms, high-contrast colors, and a red circular border with a diagonal line, ensuring universal recognition and immediate comprehension.

Take a deep dive into US road signs and learn what each MUTCD traffic sign means. Roadway signs in the United States come in different colors: red is only used on stop, yield and prohibition signs. Regulatory signs always have white background, and yellow is used to convey a general warning message.

2014年3月9日 · The no symbol (also prohibition sign, no sign, circle-backslash symbol, nay, or universal no) is a circle with a diagonal line through it (running from top left to bottom right), surrounding a pictogram used to indicate something is not permitted.

For example, red is used for stop, yield and prohibition signs, while yellow is used for general caution. The Manual on Uniform Traffic Control Devices (MUTCD) outlines road sign color standards, ensuring consistency throughout U.S. roadways. Red: Usually means stop. Red is limited to stop, yield and prohibition signs. Example Sign Colors.

2021年1月23日 · English: The no symbol (also known as a prohibition sign, no sign, circle-backslash symbol, nay, interdictory circle, or universal no) is a circle with a diagonal line through it (running from top left to bottom right), surrounding a pictogram used to …

Prohibited signs, also known as prohibition signs, are characterized by their distinctive design featuring a red circle with a diagonal line through it. This universal symbol immediately communicates that specific actions or behaviors are not allowed in a particular area.