Prohibition Sign - Universal Symbol for Restriction and Safety Compliance #3063538 (License: Personal Use)

This high-contrast prohibition symbol features a thick red circle with a diagonal red bar crossing from upper left to lower right over a black background, ensuring maximum visibility and instant recognition. Standardized internationally (ISO 7010), it conveys restriction, danger, or illegality of an action-such as no entry, no smoking, or no parking. Its design prioritizes clarity across languages and literacy levels.

Used on safety signs, road signage, workplace warnings, digital interfaces, and public notices to communicate restrictions; matches user intent for understanding rules, avoiding hazards, or complying with regulations.