One thing that shocks visitors coming to Colorado are the roads. Not only is the speed limit a high 75 miles per hour in many places, the routes can also get extremely steep. If you’re not used to it, driving in Colorado can feel like you’re falling off the side of a cliff. Curious about how steep some of these roads really were, we tracked down the steepest paved mountain passes in Colorado with a little help from Colorado’s Department of Transportation.
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