work zone sign

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

100th Avenue will be closed to all through traffic from Steele Street to Colorado Boulevard from 9:00 PM on 10/26/17 through 5:00 AM on 10/30/17. The detour route for eastbound 100th Avenue is north on Steele Street to 104th Avenue, east on 104th Avenue to Colorado Boulevard, then south on Colorado Boulevard to 100th Avenue. The detour route for westbound 100th Avenue is north on Colorado Boulevard to 104th Avenue, west on 104th Avenue to Steele Street, then south on Steele Street to 100th Avenue.

Interstate 25 will be reduced to one lane southbound between E-470 and 120th Avenue on 10/24/17 from 10:00 PM to 5:30 AM.

The double lane closure is to install striping on the asphalt as part of the North I-25 Express Lanes: 120th Avenue to Northwest Parkway/E-470 project.

Washington Street Lane Closure

Washington Street from 136th Avenue to 144th Avenue will have intermittent lane closures reducing northbound and/or southbound to one lane in each direction from 10/16/17 to 10/20/17 from 8:30AM to 4:00 PM. On 10/17/17, the lane closure will be kept overnight reducing Washington Street to one lane in each direction.

The lane closures are for the installation of a water line as part of the Denver Premium Outlets project.

88th Avenue Lane Closure

From 9/18/2017 until 12/31/2017, 88th Avenue will be reduced to one lane in each direction between Monroe Street and Colorado Boulevard. Monroe Street will be closed at 88th Avenue. The detour route for Monroe Street traffic is east on 90th Place to Cypress Drive, east on Cypress Drive to Colorado Boulevard, and south on Colorado Boulevard to 88th Avenue or west on 91st Avenue to Aspen Drive, west on Aspen Drive to Welby Road, and south on Welby Road to 88th Avenue.

The lane closures are for the installation of a new storm sewer infrastructure as part of the Urban Drainage and Flood Control District School Tributary project.

From 10/9/17 to 10/13/17 and 10/16/17 to 10/20/17 from 8:30AM to 3:30PM, 88th Avenue  will have intermittent lane closures reducing eastbound and westbound traffic to a single lane in each direction between Devonshire Boulevard and Old Welby Road. The closure is part of RTD's North Metro Rail Line Project.

Niver Creek Trail Closure

The Niver Creek Trail will be closed from Thornton Parkway to 88th Avenue, from 10/16/2017 until 3/1/2018. Pedestrian and bike traffic should use the sidewalks on Huron Street to get between Thornton Parkway and 88th Avenue. The trail south of the North Creek Apartments, off Huron Street, will also be closed during this period.

The trail closures are for the replacement of asphalt and gravel trails with new concrete trails.

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