MILLION DOLLAR HIGHWAY
US 550 from Ouray to Silverton, Colorado. The name has multiple disputed origins — some say the original road cost a million dollars per mile to build. Others claim it refers to the gold ore in the roadbed. The most compelling explanation is the simplest: one look at it and you know exactly why it's worth that.
HISTORY +
The formal road as a navigable vehicle route was completed in 1883, built to service the mining operations between Ouray and Silverton. Otto Mears, the "Pathfinder of the San Juans," was the driving force behind early road construction in the region — his network of toll roads through some of the most difficult terrain in North America formed the foundation for what became US 550.
The notorious lack of guardrails is not an oversight. It is an active design and maintenance choice. Guardrails in this environment create a false sense of security that encourages higher speeds while providing minimal protection against the actual hazards — rockfall, ice, and the sheer scale of the exposure. The drop-offs are real. The margins are honest.