Speed Limit 55 Sign - Official Road Signage for 55 MPH Zones #267390 (License: Personal Use)

This is a standard MUTCD-compliant regulatory sign used across the United States, featuring bold black uppercase text "SPEED LIMIT" above large numerals "55" on a white background with a black border. The sign’s high-contrast design ensures visibility and readability from a distance under various lighting conditions. It is typically mounted on roadside posts or overhead gantries along highways, interstates, and rural roads where the posted speed is 55 mph.

Used on transportation websites, driver education resources, traffic safety campaigns, and government DOT pages; matches user intent for understanding road signage, preparing for driving tests, or verifying legal speed limits.