Colorado road construction · CO-121

CO-121 construction in Colorado today

Every CDOT work zone on CO-121 in Colorado today: lane closures, full closures, which direction and how long each lasts.

3 work zones · 0 full closures · updated every 15 minutes

Lanes closedSouthboundBetween US 287 and US 36 (Broomfield) from Mile Point 26.25 to Mile Point 26.11. Right lane closed due to road construction. Starting November 2, 2026 at 10:00AM MDT until November 2, 2026 at about 12:00PM MDT. Full schedule below: • November 2, 10:00AM - November 2, 12:00PM (CO-121)from Mon, Nov 2, 12:00 PM, until Nov 2
Lanes closedSouthboundBetween 36th Place and 32nd Avenue (Wheat Ridge) from Mile Point 15.42 to Mile Point 15.1. Right shoulder closed due to roadwork. Starting Sunday at 12:00AM MDT until November 7, 2026 at about 11:59PM MDT. Full schedule below: • November 1, 12:00AM - November 7, 11:59PM Comment: Shoulder closure and lane shift on SB Wadsworth for multi-use path construction. Right turns only from all cross streets (CO-121)until Nov 8
Lanes closedSouthboundBetween US 287 and US 36 (Broomfield) from Mile Point 26.25 to Mile Point 26.11. Left lane closed due to road construction. Starting November 1, 2026 at 7:00PM MDT until November 2, 2026 at about 6:00AM MDT. Full schedule below: • November 1, 7:00PM - November 2, 6:00AM (CO-121)from Sun, Nov 1, 9:00 PM, until Nov 2

Other Colorado highways

From the Colorado Department of Transportation's work zone feed (WZDx), as Orbit keeps it. Closures can change at short notice; follow the signs on the road. Some work zones come with few details from CDOT.

Driving CO-121?Orbit warns you about work zones ahead on your side of the road, and goes quiet when drivers are getting through at speed.

See Orbit SI →