work zone sign

​​​​​​Below is information regarding lane closures and detours impacting the City of Thornton.

York Street Closure

York Street between 127th Avenue and 128th Avenue will be closed from 3/18/2019 to 4/4/2019.

The detour route for northbound York Street traffic is to go south on York Street to 124th Avenue, west on 124th Avenue (which becomes Eastlake Avenue) to Claude Court, north on Claude Court to 128th Avenue, then east on 128th Avenue to York Street.

The detour route for southbound York Street is to go west on 128th Avenue to Claude Court, south on Claude Court to Eastlake Avenue, then east on Eastlake Avenue (which becomes 124th Avenue) to York Street.

The closure is for the 128th Avenue waterline rehabilitation project.

Holly Street Closures

Holly Street between 112th Avenue and 119th Avenue, 119th Avenue between Holly Street and Jasmine Street, and 112th Avenue between Holly Street and Riverdale Road will have periodic lane closures.

These closure are part of the Xcel Substation project. More information on construction updates and schedule for the Xcel Substation project can be found at To submit questions and provide feedback, call the project hotline at 844-551-6281 or email the project team at

160th Avenue Closure

160th Avenue between Huron Street and Washington Street will be closed from 10/01/2018 to 3/29/2019.

The detour route for Washington Street traffic is to, go north on Washington Street to SH 7, go west on SH 7 to Huron Street, then go south on Huron Street to 160th Avenue.

The detour route for Huron Street traffic is to, go north on Huron Street to SH 7, go east on SH 7 to Washington Street, then go south on Washington Street to 160th Avenue.

This closure is for construction associated with the Top Golf and Larkridge Apartments developments.

Capital Improvement Projects
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