Prohibition Sign Symbol - Meaning, Usage, and Design Guidelines #115873 (License: Personal Use)

This black-and-white vector-style prohibition symbol consists of a thick circular border with a diagonal line slanting from upper left to lower right, bisecting the interior. It is standardized under ISO 7010 and widely used across transportation, industrial safety, and public information systems to convey restriction or forbiddance without language barriers. Its high-contrast, minimalist design ensures immediate recognition even at a distance or in low visibility.

Used on regulatory signage (e.g., no smoking, no entry, no parking), safety manuals, digital interfaces, and warning labels; matches user intent for understanding compliance symbols, designing signage, or interpreting visual instructions.