Iowa

State Highways

Present
1948


Kansas

State Highways

Present
1948

Toll Highways

Kansas Turnpike

U.S. Highways

A white-on-green U.S. 56 sign, used in Kansas until the early 1980s.


Kentucky

State Highways

Present
1948

A sign assembly that shows both the narrow and wide versions
Ashland-to-Alexandria Highway
Edmonson County 1113. Very old county sign.
Scenic Byway (not a route number marker)

Parkways and Turnpikes

Audubon Parkway
Blue Grass Parkway. Some BG Parkway signs have their colors reversed so they look like Western Kentucky Parkway signs.
Cumberland Parkway
Daniel Boone Parkway
Mountain Parkway. Since the parkway was renamed for the governor who had it built, a "Bert T. Combs" auxiliary sign now appears above the main sign.
Pennyrile Parkway
Purchase Parkway
Western Kentucky Parkway. Some WK Parkway signs have their colors reversed so they look like Blue Grass Parkway signs.
William Natcher Parkway
 
Green River Parkway, before it was renamed the William Natcher Parkway.
Kentucky Turnpike, which ceased to exist when the tolls were removed.


Louisiana

State Highways

Present
1948


Maine

State Highways

Present
1948

Toll Highways

Maine Turnpike