York Street Phase II Project - E. 78th Avenue to E. 88th Avenue

York Street Phase IIProject Overview

Adams County is reconstructing York Street, Welby Road and Devonshire Boulevard between 78th Avenue and 88th Avenue.

Project consists of:

  • Roadway widening to four lanes with raised median, curbs, gutters, sidewalks, multi-path trail.
  • Intersection improvements at York St. and 78th Avenue with implanting new traffic signal and adding turn lanes.
  • Drainage system improvements including water quality features.
  • Installing street lighting.
  • Collaborating with North Washington Street Water and Sanitation District for upgrading and relocating their facilities with the project.
  • Relocating irrigation ditch for roadway widening and multi-path trail.
  • Creating and building open space with landscaping.
  • Community and cultural engagement with placemaking signs.

Project Update

Work Taking Place the Week of Feb. 18

  • Relocate the agricultural canal from Coronado Pkwy to McElwain Blvd.
  • Install box culvert York St and 78th.
  • Install storm drain from Coronado Pkwy North to Welby Hill.
  • Installation of dirt for widening
  • Century Link infrastructure relocation
  • Excel infrastructure relocation
  • Comcast infrastructure relocate
  • Bridge construction at Niver Creek
  • Tear out the Lower Clear Creek Canal box culvert.

Additional Resident Impacts

  • There are no additional resident impacts this week.

Traffic Impacts

  • York closed at 78th Ave. to the laundry mat—resident traffic only from Coronado Pkwy south.
  • These closures will be in place 24/7 until further notice while crews install utilities under the roadway.
  • York Street closed at Niver Creek; there will be a detour in place on Coronado Parkway.
    • Closures will take place from 8 a.m. to 5 p.m. Monday through Friday.
    • Flaggers will direct traffic.
  • Variable message boards, construction signs, and devices will be in place to alert motorists to the temporary closure.
  • Motorists can expect intermittent lane closures throughout the work zone throughout the project duration.
Detour Map


Completion Percentage: 65%

Completed Project Milestones

  • Anticipated completion is early 2025
  • Began bridge construction
  • Completed paving the first portion of the project
  • Completed Storm Sewer for Ponds
  • Working on Box Culverts

Contact Information

Project Hotline: 720.534.0072
Project Email: [email protected]