Northern Mariana Islands route marker.
<a href="//commons.wikimedia.org/wiki/User:Dough4872" title="User:Dough4872">Dough4872</a>
<span class="int-own-work" lang="en">Own work</span>, approximated from <a rel="nofollow" class="external text" href="https://travelphotos.everything-everywhere.com/Pacific/Northern-Mariana-Islands/Saipan/i-4hMm8Xm/0/X2/1299926968_b8abd30e7f_o-X2.jpg">this photo</a>