This work has been released into the public domain by its author, SPUI. This applies worldwide. In some countries this may not be legally possible; if so: SPUI grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

750 mm by 600 mm (30 in by 24 in) U.S. Route shield, made to the specifications of the 2004 edition of Standard Highway Signs. (Note that there is a missing "J" label on the left side of the diagram.) Uses the Roadgeek fonts archive copy at the Wayback Machine. (United States law does not permit the copyrighting of typeface designs, and the fonts are meant to be copies of a U.S. Government-produced work anyway.)