In one of the coldest frontiers on earth, road construction crews begin the process of creating the most unique passage in the world---a 350-mile highway of ice.

The rivalry heats up between Ice Road Truckers veteran Hugh Rowland and his employee Rick Yemm as they compete for the highest load count.

It's the 18th day of the ice road season and truckers have delivered more than 3000 loads to the diamond mines, but they still have 7000 more to go. The temperatures are dropping, the loads are getting heavier and the ice is just three feet thick.

It's half way through the grueling ice road season. Six hundred truckers have ferried more than 4,000 loads to the northern mines. They still have 6,000 left to go, but everyday roadblocks threaten their progress.

Jay Westgard embarks on a trip to the De Beers mine with the heaviest and most valuable piece of equipment this season.

Ice Road Truckers venture 200 miles north of the Arctic Circle, transporting 10,000 loads of vital materials, over a highway made entirely of ice onto the Arctic Ocean.

It is a race against the elements, against time, and against each other as the Ice Road Truckers brace themselves for an approaching storm.

The Ice Road Truckers push themselves and their trucks to the limits before the big melt.

The Ice Road Truckers race for the last of the cash as they travel across thinning ice.