English: 750 mm by 600 mm (30 in by 24 in) Colorado shield, made to the specifications of the Manual on Uniform Traffic Control Devices (MUTCD), 2003 Edition (sign M1-5). Uses the Roadgeek 2005 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.)
Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain. Traffic control devices contained in this Manual shall not be protected by a patent, trademark, or copyright, except for the Interstate Shield and any other items owned by FHWA.
No provisions of the supplement have adjusted or interpreted this provision of the MUTCD.
This image shows a flag, a coat of arms, a seal or some other official insignia. The use of such symbols is restricted in many countries. These restrictions are independent of the copyright status.