The 25-mile Silverton-to-Ouray stretch of US-550 in Colorado. Cliffside, no guardrails, hairpin switchbacks. Some of the most spectacular alpine driving in theβ¦
The 25-mile Silverton-to-Ouray stretch of US-550 in Colorado. Cliffside, no guardrails, hairpin switchbacks. Some of the most spectacular alpine driving in the US.