Image:US 1-9.svg

I, Vishwin60, the creator of this image, hereby release it into the public domain. If that cannot be done for any reason, including the nonexistence of a way to release a work into the public domain, I release it (or my changes in the case of a derivative work) under the following licenses: Copyleft: this work of art is free, you can redistribute it and/or modify it according to terms of the Free Art License. You will find a specimen of this license on the site Copyleft Attitude http://artlibre.org/licence/lal/en/ as well as on other sites. The copyright holder of this image allows anyone to use it for any purpose including unrestricted redistribution, commercial use, and modification. This file is licensed under Creative Commons ShareAlike 1.0 License

600 mm by 600 mm (24 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. (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.)