Independent version of the County Route Shield - used in some juristictions instead of the national standard pentagon shield
<a href="//commons.wikimedia.org/wiki/User:Master_son" title="User:Master son">User:Master_son</a>
<a rel="nofollow" class="external free" href="http://www.dot.state.mn.us/trafficeng/otepubl/mutcd/mnmutcd2005/MN%20MUTCD%202005%20Chapter%202D.pdf">http://www.dot.state.mn.us/trafficeng/otepubl/mutcd/mnmutcd2005/MN%20MUTCD%202005%20Chapter%202D.pdf</a>