This image was modified from the original image by myself into the 1950's technicolor U.S. Route 666 shield used by Arizona. Each color meant a different direction. Brown meant East, Green meant South, Orange meant North and Blue meant West. Arizona replaced the signs with traditional Black and White shields in the late 50's early 60's. In this case, the color gray is simply for directional neutrality purposes for templates and articles in which the shield is supposed to represent the highway going in both directions. Uses Roadgeek 2005 Series C font.
Matthew Anderson (Modified from original by Spui and Ltljltlj)