Mississippi - State Highway 12, State Highway 15, U.S. Highway 45, U.S. Highway 49, U.S. Highway 49, U.S. Highway 51, U.S. Highway 51, U.S. Highway 80, U.S. Highway 80, U.S. Highway 82
1940s highway markers demonstrating the color scheme Mississippi devised in 1946.
(Note that some routes appeared in several different colors - each town had its own local scheme. Highway signs outside of city limits were kept the standard black and white.)
US-11 = blue
US-45 = green
US-49 = yellow or red
US-49E = red
US-51 = blue or green
US-61 = green
US-72 = red
US-78 = red
US-80 = yellow
US-82 = blue
US-278 = blue
MS-6 = yellow
MS-7 = green
MS-8 = red
MS-12 = red
MS-15 = blue
MS-30 = green or blue
This reference is incomplete. Any further information is greatly appreciated!
Old black-and-white issues of Mississippi Highways magazines (October 1946, and May 1953) scanned in by Tracy Robertson and colorized by Jake Bear.
