Prohibition Symbol | Universal No Entry Sign for Safety and Compliance #3496936 (License: Personal Use)

This image displays the standard prohibition symbol: a bold red circle with a diagonal red line crossing from upper left to lower right over a black background, conveying universal “no” or “not allowed” meaning. It is standardized in ISO 7010 and widely adopted in traffic, industrial safety, and digital interfaces to prevent hazardous actions or unauthorized access.

Commonly used on road signs, workplace safety posters, app warnings, and regulatory documentation to communicate restrictions clearly and instantly. Matches user intent for understanding safety symbols, designing UI/UX alerts, or sourcing vector graphics for compliance materials.