OH-571_(1948).svg


Description Ohio state route marker as seen in 1948
Date
Source Own work
Author Dough4872
Public domain This file is in the public domain because it comes from the Ohio Manual of Uniform Traffic Control Devices , sign number M1-5, which states specifically in its introduction, 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 items owned by FHWA.

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1 April 2014