MUTCD Federal Standard — Valid All 50 States
Common road signs used across the United States
Explore the major regulatory, warning, school, guide, service, and work-zone signs used across the US. Most follow the MUTCD federal standard, while some route and service signs vary by state.
Why These Signs Are Universal: The Manual on Uniform Traffic Control Devices (MUTCD), published by the Federal Highway Administration, standardizes sign shapes, colors, and meanings across all US states and territories. Whether you learn to drive in California or Maine, you will see the same STOP octagon, the same yellow diamond warnings, and the same green interstate guides.
73 signs — valid across all 50 US states (MUTCD standard)