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Russia's Lena Highway, the Highway from Hell

The last 600 miles of the Russian Federal Highway from Moscow city to the Siberian city of Yakutsk is called the Lena Highway.
This bizarre road runs parallel to the River Lena on the final leg to Yakutsk. 
As if the road of mud was not a big problem, Yakutsk is considered one of the the coldest cities on earth, with January temperatures averaging -45 A°F. 
But surprisingly, it is only in the summertime that the road becomes impassable.
Whenever it rains in summer, the road virtually becomes a slush pit making it impossible for the vehicles to pass through it.
This being the only road to Yakutsk makes the traffic heavy and even more complicated to negotiate.