Interstate 55 Highway Sign | U.S. Route Information #3460488 (License: Personal Use)

This is the standard U.S. Interstate Highway shield for I-55, featuring a red banner at the top with “INTERSTATE” in white uppercase letters, and large white numerals “55” centered on a blue field. The design follows the Federal Highway Administration’s Manual on Uniform Traffic Control Devices (MUTCD) specifications for clarity and national consistency. I-55 spans approximately 979 miles, linking St. Louis, MO, with New Orleans, LA, and passing through Illinois, Missouri, Tennessee, Mississippi, and Louisiana.

Used on transportation websites, government DOT pages, travel guides, and mapping services to identify I-55. Matches user intent for route planning, road trip preparation, or researching U.S. interstate infrastructure.