Speed Limit 45 Sign - Official Regulatory Road Sign #1778078 (License: Personal Use)

This is a standard MUTCD-compliant regulatory road sign used in the United States to indicate a maximum legal speed of 45 miles per hour. The sign features bold, high-contrast black lettering on a white background, enclosed in a black border for enhanced visibility and compliance with federal highway standards. It is typically mounted on posts or overhead gantries along highways, suburban arterials, and school zones.

Used on transportation authority websites, driver education materials, traffic engineering resources, and municipal signage procurement pages; matches user intent for understanding road rules, preparing for driving tests, or identifying signage for compliance or design reference.