The Alyeska oil pipeline, which runs from Prudhoe Bay to Valdez.  This is on S.R. 4, south of Delta Junction.  It's on a fault line, so this stretch is built to withstand a substantial earthquake -- the pipe can move several feet in any direction without breaking.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/10239508@N07">Malcolm Manners</a> from Lakeland FL, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/mmmavocado/4597397875/">Pipeline and Mountains</a>