Progress on the Project

Construction started in August 2018, since then crews have been working in every segment along the 10-mile Project corridor. Click on the graphic below to learn more.

central 70 project progress infographic

Completed Work

  • Demolished portion of the I-70
    viaduct above Brighton Boulevard 
  • Reconstructed Brighton Boulevard
    under I-70
  • Removed westbound I-70 off-ramp to Steele/Vasquez
  • Demolished old Union Pacific Railroad (UPRR) bridge
  • Removed York Street on-ramp to westbound I-70
  • Constructed York, Josephine, Columbine, Clayton, Fillmore, Cook and Monroe bridges
  • Constructed Burlington Northern Santa Fe (BNSF) and Union Pacific Railroad (UPRR) bridge
  • Constructed 46th North Avenue between Colorado and Brighton boulevards
  • Constructed future westbound I-70 lowered section between Brighton and Colorado boulevards
  • Switched eastbound and westbound I-70 traffic from the viaduct into the lowered section
  • Demolished viaduct between Brighton Boulevard and UPRR and between UPRR and Colorado Boulevard
  • Completion of westbound cover systems
  • Construction of pump station
  • Reconstructed I-70 traffic between Colorado Boulevard and Quebec Street
  • Opened new ramp access to eastbound I-70 from southbound Colorado Boulevard, removed loop ramp
  • Demolished old Colorado Boulevard bridge • Installed and relocated utilities along Stapleton Drive
  • Demolished the I-70 bridges over Dahlia, Holly
    and Monaco
  • Reconstructed I-70 bridges above Dahlia, Holly
    and Monaco streets and Denver Rock Island Railroad (DRIR)
  • Rebuilt Stapleton Drive intersections at Dahlia, Holly and Monaco streets
  • Relocated Holly Street ramps to I-70 to permanent locations
  • Paved and striped Stapleton North and South drives 
  • Construction of Quebec Street and I-70 interchange
  • Demolished old I-270 flyover and built new bridge
  • Widened and shifted I-70 traffic to new pavement
  • Demolished the I-70 bridge over Peoria and built a new interchange
  • Installed median barriers and sign structures

Ongoing Work

  • Construction of the eastbound
    I-70 bridge deck above Brighton
    Boulevard
  • Construction of cover and 4-acre park
  • Excavation and substructure work on eastbound I-70 lowered section
  • Utility work on York Street between 47th and 48th avenues
  • Construction of Colorado Boulevard ramps to I-70
  • Punchlist items on Stapleton Drive
  • Sign installations
Upcoming Work in the Next Six Months
  • Finish viaduct demolition above UPRR
  • Construction of 46th South Avenue
  • Concrete panel replacement on I-70 between I-225 and Chambers Road
  • Construction of the eastbound I-70 lanes in the lowered section
Additional Information
  • 146 of the 148 identified Record of Decision mitigation measures are in progress or completed
  • All of the 133 anticipated parcels have been either acquired or have agreements for ROW transfer in place upon completion of construction
  • 253 of the 258 confirmed utility conflicts are either resolved or have work orders in place.
  • Nearly 2.2 million cubic yards of dirt have been excavated, preparing for the future lowered highway
  • The Project bilingual Community Liaison hosts outreach ‘office hours’ weekly as well as provides on-going coordination with local partners and organizations