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 items owned by FHWA.
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An image of a Missouri State Highway 9 shield. Created by User:Scott5114 in Inkscape using the [http://www.triskele.com/fonts/ Roadgeek Series D] font created by Michael Adams.
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