Below is information regarding lane closures and detours impacting the City of Thornton.
I-25 Ramp Closures
On 7/23/2019, the northbound on-ramp from 120th Avenue to I-25 will be closed at 8:00 PM and reopen at 5:30 AM the following morning. The detoure route is to go east on 120th Avenue to Washington Street, north on Washington Street to 136th Avenue, then west on 136th Avenue to I-25.
On 7/25/2019, the northbound on-ramp from 120th Avenue to I-25 and the northbound off-ramp from I-25 to 120th Avenue will be closed at 8:00 PM and reopen at 5:30 AM the following morning. The detour route for the northbound on-ramp closure at 120th Avenue is to go east on 120th Avenue to Washington Street, north on Washington Street to 136th Avenue, then west on 136th Avenue to I-25. The detour route for the northbound off-ramp closure at 120th Avenue is to exit I-25 at 104th Avenue, go east on 104th Avenue to Washington street, then north on Washington Street to 120th Avenue.
On 7/26/2019, the northbound on-ramp from 120th Avenue to I-25 and the northbound off-ramp from I-25 to 120th Avenue will be closed at 8:00 PM and reopen at 9:00 AM the following morning. The detour route for the northbound on-ramp closure at 120th Avenue is to go east on 120th Avenue to Washington Street, north on Washington Street to 136th Avenue, then west on 136th Avenue to I-25. The detour route for the northbound of-ramp closure at 120th Avenue is to exit I-25 at 104th Avenue, go east on 104th Avenue to Washington Street, then north on Washington Street to 120th Avenue.
The ramp closures are part of the Colorado Department of Transportation's North I-25 Express Lanes Project. For more information please visit the project website at https://www.codot.gov/projects/north-i-25/NorthI-25/120thNorth
112th Avenue Closure
From 7/8/2019 to 8/3/2019 112th Avenue will be closed between East Drive and Steele Street.
The detour route for the westbound traffic is to go north on Colorado Boulevard to 120th Avenue, go west on 120th Avenue to York Street, then go south on York Street to 112th Avenue.
The detour route for the eastbound traffic is to go north on York Street to 120th Avenue, go east on 120th Avenue to Colorado Boulevard, then go south on Colorado Boulevard to 112th Avenue.
The closure is part of the City of Thornton's 112th Avenue Widening project.