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The Cone Zone

Below is information regarding major lane closures and detours impacting the City of Thornton. For more information about capital improvement projects, click on the infrastructure link on the right side of this page. 

120th Avenue Lane Closures

Starting on January 9th, 120 Avenue between Sylvia Drive (east of Washington Street) and the RTD N Line overpass (east of Claude Court) will be reduced to one lane in each direction at times. The lane closures are part of a City of Northglenn project that will widen 120th Avenue from two lanes to three lanes in each direction along that area. The project is scheduled to last 12 to 18 months. 


For more information and updates, contact American West Construction at 719.426.3270 or 120thaveproject@gmail.com. You may also go to www.northglenn.org/120thavenue.

88th Avenue Lane Closures Extension

The lane closures on 88th Avenue between Poze Boulevard and York Street have been extended until January 12th.

 The lane closures are for the installation of the new box culvert for the Stormwater Project.

Farmers Highline Trail Closure

The Farmer Highline Trail will be closed between Lafayette St to Eastlake Ave from 11/06/2023 to 2/01/2024.

The detour route for eastbound pedestrians and bicycles is to go north on Washington Street to 126th Avenue, go east on 126th Avenue to Lafayette Street, then go south on Lafayette Street to Eastlake Ave to access the Farmers Highline Trail.

The detour route for westbound pedestrians and bicycles is to go north on Lafayette Street to 126th Avenue, go west on 126th Avenue to Washington Street, then go south on Washington Street to access the Farmers Highline Trail.

 The closure is for the Washington Center apartments project.













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