work zone sign

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

First Street Eastlake Closure

Riverdale Road Closure

Riverdale Road will be closed at Todd Creek (approximately 1/2-mile south of State Highway 7) from 1/29/2018 through early June 2018.  The detour route for northbound traffic is west on 136th Avenue to Quebec Street, north on Quebec Street to State Highway 7, then east on State Highway 7 to Riverdale Road.  The detour route for southbound traffic is west on State Highway 7 to Quebec Street, south on Quebec Street to 136th Avenue, then east on 136th Avenue to Riverdale Road. 

The closure is for Adams County's repair of the Riverdale Road bridge over Todd Creek. 

Quebec Street Closure

Quebec Street will be closed between 120th Avenue and Riverdale Road from 2/6/18 through the end of May 2018. 

The detour route for northbound traffic is northeast on Riverdale Road to 128th Avenue, then west on 128th Avenue to Quebec Street; or southeast on Riverdale Road to 112th Avenue, west on 112th Avenue to Holly Street, north on Holly Street to 120th Avenue, then east on 120th Avenue to Quebec Street.

The detour route for southbound traffic is west on 120th Avenue to Holly Street, south on Holly Street to 112th Avenue, then east on 112th to Riverdale Road; or east on 120th Avenue to Brighton Road, south on Brighton Road to 104th Avenue, west on 104th Avenue to McKay Road, then north on McKay Road to Riverdale Road.

The closure is for reconstruction of Quebec Street between 120th Avenue and Riverdale Road as part of the Mayfield subdivision project on the southwest corner of 120th Avenue and Quebec Street.

Capital Improvement Projects
Traffic Alerts