Highway 95 in Idaho. South of Grangeville. I think this was the steepest ramp. There was one more uphill like this and another that was just a long gravel strip.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/61636282@N00">Joshua Honeycutt</a> from Plano, USA
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/coweater/4870286104/">Fun truck ramp</a>