Weekend traffic tangle at southbound I-25 off-ramp at Sixth Avenue

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DENVER -- Expect traffic delays this weekend beginning Friday night when crews on the Colorado Department of Transportation’s  U.S. 6 Bridges Design Build Project will shift both directions of Sixth Avenue onto new bridges over Bryant Street and the South Platte River.

Doing so will require a series of impacts along the project corridor, resulting in a six-month closure of the southbound Interstate 25 off-ramp to eastbound U.S. 6.

Closures continue to cause traffic back-ups on Saturday afternoon drive.

“This traffic shift marks a major milestone for the project and will create room for a significant amount of additional work as we keep moving toward completion in the fall,” CDOT project director Kevin Sullivan said. “Drivers should remain alert, as there will be a new traffic alignment come Monday morning.”

The off-ramp will be closed beginning at 6 p.m. Friday. Westbound traffic will be shifted onto the new bridges built over I-25.


  • During the eastbound U.S. 6 closure: Drivers will exit eastbound U.S. 6 at Sheridan Boulevard and go south to Alameda Avenue or north to Colfax Avenue to continue traveling east.
  • Eastbound U.S. 6 traffic looking to access Interstate 25 during the weekend closure: Drivers should exit U.S. 6 at Osage Street, then take Osage around to enter westbound Sixth Avenue to access I-25.
  • Federal Boulevard traffic looking to access eastbound U.S. 6 during the weekend closure: Drivers should use Alameda, Eighth or Colfax avenues to travel east to downtown or access I-25.
  • Southbound I-25 traffic looking to access eastbound U.S. 6 during the six-month off-ramp closure: Drivers should exit I-25 at Eighth Avenue and follow the signs to take Eighth Avenue east toward downtown Denver.

To keep up-to-date on all weekend closures, visit CDOT’s Colorado Traffic Management Center: cotrip.org .

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