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Description 600 mm by 600 mm (24 in by 24 in) Interstate shield, made to the specifications of the 2004 edition of Standard Highway Signs (sign M1-1). 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.) Colors are from (Pantone Red 187 and Blue 294), converted to RGB by . The outside border has a width of 1 (1 mm) and a colour of black so it shows up; in reality, signs have no outside border.
Date 4 April 2006
Source Own work
Author SPUI
( Reusing this file)

Public domain

Public domain This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, 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.
MUTCD R2-1.svg

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