Puerto_Rico_Highway_blank.svg


Summary

Description A blank shield for Puerto Rico Highways
Date
Source Own work, based on specs from Puerto Rico DTOP
Author Fredddie

Licensing

Public domain 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.
Heptagon
Heptagon

Licensing

This W3C-unspecified vector image was created with Adobe Illustrator .
Public domain This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices , sign number M1-6, 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.

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21 February 2010