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.
Captions
Add a one-line explanation of what this file represents
{{Information |Description=Puerto Rico secondary highway shield. |Source=Puerto Rico Department of Transportation and Public Works ([http://www.dtop.gov.pr/ACT/diseno/PlanosModelo/Volumen2/4STS/-STS%2019A.pdf design specs]) |Date=2010-07-24 |Author=[[User