United States Road Signs-Colours And Shapes And Their Meanings
Return To Homepage
Sign Shapes and Their Meanings
Octagon--Used for "Stop" sign only
Equilateral Triangle Pointing Down--Used for "Yield" signs
only
Circle--Used for Railroad Advance Crossing Warning and
Civil Defense Evacuation Route Marker
Pennant--Used for "No Passing Zone" sign
Diamond--Used for warning signs
Verticle Rectangular--Used for regulatory signs
Horizontal Rectangular--Used for guide signs
Pentagon--Used for School Advanced Warning sign only
Crossbuck--Used for "Railroad Crossing" sign
Other Shapes--Used for marker signs
Colours and Their Meanings
Red--Certain regulatory signs and part of the interstate
route marker signs
Black--Used on signs with white, yellow, and orange backgrounds
White--Used on regulatory signs and on signs with
brown, blue, and green backgrounds
Orange--Construction and Maintenance signs
Yellow--Warning and school signs
Brown--State and National Park signs
Green--Guide signs and mileposts
Flourescent Yellow--Now approved for pedestrian, bicycle,
and school crossing signs
Purple--Reserved for future use
Light Blue--Reserved for future use
Coral--Reserved for future use
