US 550 Retaining Wall &Tunnel Repairs Project News & Updates

US 550 Red Mountain Pass road work to begin July 20

July 6, 2026 - Southwestern Colorado - Traffic signals will be in place 24/7 with single lane alternating traffic between Ouray and Silverton

Update: US 550 Red Mountain Pass road work to begin July 20

July 16, 2026 - Southwestern Colorado - Motorists will encounter traffic signals 24/7, with emergency plans in place if needed for wildfire or flooding activity