ファイル:MUTCD D12-4.svg

1,800 mm by 900 mm (71 in by 35 in) Emergency Dial 911 plate, made to the specifications of the 2004 edition of Standard Highway Signs (sign D12-4). 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 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.

This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, sign number D12-4, which states specifically on page I-1 that: 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.