Roadside warning signs seen near <a href="https://en.wikipedia.org/wiki/Seward,_Alaska" class="extiw" title="w:Seward, Alaska">Seward, Alaska</a>.  This likely marks the spot on <a href="https://en.wikipedia.org/wiki/Exit_Glacier" class="extiw" title="w:Exit Glacier">Exit Glacier</a> Road where winter maintenance ends, but insufficient context exists for me to say for sure.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jkbrooks85">James Brooks</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jkbrooks85/4623203763">Intimidating signs at Seward</a>