English: Reproduction of a 1932 Spec New Mexico State Road shield. Made from photographs found on the AARoads shield gallery, information from [1] and output from the shield generator at timeandseasons.com.
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.
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