(600 mm by 600 mm (24 in by 24 in) Interstate shield, made to Oregon DOT specifications (type F). Uses the Roadgeek 2005 fontsアーカイブされたコピー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.) Colors are from [1] (Pantone Red 187 and Blue 294), converted to RGB by [2]. The outside border has a width of 1 (1 mm) and a color of black so it shows up; in reality, signs have no outside border.)
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.
(600 mm by 600 mm (24 in by 24 in) Interstate shield, made to [ftp://ftp.odot.state.or.us/techserv/roadway/web_drawings/traffic/rev_13/pdf/tm211.pdf Oregon DOT specifications] (type F). Uses the [http://www.triskele.com/fonts/index.html Roadgeek 2005 font