Climbing to a mighty 2,200 metres the views are either epic or non-existent as the road can get completely engulfed in cloud.

It’s a rock-crawling, axle-twisting grind through the High Sierras

It was a monumental feat of engineering, employing 18,000 men over an astonishingly short eight months, in some of the most inhospitable terrain the world has to offer.

There are more than a dozen memorials to those who have perished along the way.

The Lysebotn Road tests man and machine, tightening in places before rising to a series of plateaus with the road reaching out as far as the eye can see and gentle kinks littered between bursts of straight.