Colorado sits at the intersection of two of the highest transcontinental freight routes in North America: I-70 crossing the Continental Divide at the Eisenhower Tunnel, and US-160 serving the southwestern corner of the state. Both routes have sections that force trucks onto some of the most demanding roads in commercial driving — roads that make the already-challenging main corridors look mild by comparison.
This article covers two of those routes: Loveland Pass (US-6) and Wolf Creek Pass (US-160).
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