US 40 Mountain Corridor: Grand County

Summer to Fall 2025 Construction Projects

US 40 Mountain Corridor map of travel impages in Grand County
The map about highlights active construction projects along US 40 in Grand County during Summer 2025. Details on these projects and impacts are detailed below.
For real-time information on statewide lane closures and traffic impacts, visit the COtrip.org map here or download the COtrip Planner app.
US 40 Red Dirt Hill Phase 1

Location: US 40 between Granby and Tabernash, Mile Point 217 to 219
Schedule: May 2025 through October 2025
Traffic Impacts: Weekday single-lane closures with alternating traffic, possible lane shifts and reduced speed limits. Motorists should expect delays.
Webpage: US 40 Red Dirt Hill Safety Improvement

US 40 Highway Resurfacing Empire Project

Location: US 40 between the I-70 and US 40 Junction (Mile Point 258.3) and about 1 mile east of “Big Bend” and Berthoud Falls (Mile Point 252)
Schedule: May 2025 through December 2025
Traffic Impacts: Daytime and nighttime weekday single lane closures in both directions with reduced speed limits. No height or width restrictions apply.
Webpage: Coming soon

US 40 Winter Park Phase 1

Location: US 40 through Winter Park, Mile Point 229 and 234 (with several work locations between MP 229.6 to 233)
Schedule: May 2025 through October 2025
Traffic Impacts: Single-lane closures with reduced speed limits and delays are expected during daylight hours on weekdays.
Webpage: Coming soon