This image of simple geometry is ineligible for
copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
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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{{Information |Description=A blank shield for Puerto Rico Highways |Source=Own work, based on [http://www.dtop.gov.pr/ACT/diseno/PlanosModelo/Volumen2/4STS/-STS%2019.pdf specs] from Puerto Rico DTOP |Date=2010-02-21 |Author=
Fredddie |Pe
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