Expect Overnight Closures Nov. 20-22 on I-25 On- and Off-Ramps at 120th, 136th and 144th Avenues

Nov. 20, 2017 -

ADAMS COUNTY—Crews will close the southbound I-25 ramp at 120th, 136thand 144thAvenues this week to install safety-critical barrier as part of the North I-25 Express Lanes: 120thAvenue to Northwest Parkway/E-470 project.

Motorists should plan to add an additional 10 minutes to their travel time to detour around the closures.

Traffic Impacts

  • 6-11 p.m. Monday, Nov. 20:
    The southbound I-25 off-ramp to 144th Avenue will be closed.
    • Detour: Travelers on southbound I-25 will exit at 136th Avenue, proceed west to Huron Street, then turn north on Huron Street to reach 144th Avenue.
  • 11 p.m. Monday, Nov. 20 to 5:30 a.m. Tuesday, Nov. 21:
    The southbound I-25 off-ramp to 136th Avenue will be closed.
    • Detour: Travelers on southbound I-25 will exit at 144th Avenue, proceed west to Huron Street, then turn south on Huron Street to 136th Avenue.
  • 10 p.m. Tuesday, Nov. 21 to 5:30 a.m. Wednesday, Nov. 22:
    The southbound I-25 on-ramp from 120th Avenue will be closed.
    • Detour: Travel west on 120th Avenue to Huron Street, then turn south on Huron Street to reach 104th Avenue, and enter southbound I-25.
  • 8:30 a.m. to 2 p.m. Monday, Nov. 20 and Tuesday, Nov. 21, and 8:30-11:30 a.m. Wednesday, Nov. 22:
    Expect single-right-lane closures on northbound I-25 between 128th and 136th avenues.

Following this, crews will shut down work until Monday, Nov. 27, in observance of the Thanksgiving holiday weekend.

Project Info

The North I-25 Express Lanes project from 120thAvenue to Northwest Parkway/E-470 is a $97.5 million project that will improve safety, capacity and user choice to a rapidly developing region. 

This project will continue the previous Express Lanes project, which was completed on I-25 between US 36 and 120thAvenue, and will extend the Express Lanes to Northwest Parkway/E-470. The project will add capacity on I-25 up to Northwest Parkway/E-470 and construct a new asphalt surface from 120th Avenue to Colorado Highway 7. Motorists can expect the roadway to be in its final alignment by winter 2018. 

Construction will take place from 7 a.m. to 4:30 p.m. Monday through Friday, with periodic night and weekend work. Motorists can expect various lane closures on both northbound and southbound I-25 as well as periodic ramp closures. Traffic will be maintained during peak travel times throughout construction.

About Express Lanes

Express Lanes increase roadway capacity and help to manage congestion on the highways. The use of toll pricing during peak travel times reduces delays, manages congestion and maintains reliable travel times. Express Lanes currently are open between 120thAvenue and US 36 on North I-25 and, US 36 from Denver to Boulder and on the I-70 Mountain Express Lane. Learn more.

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