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  3. I-70 B 1st Street and Grand Avenue
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Construction Phase

Design Phase Documents

Virtual Public Engagement

Bicycles and Pedestrians

Preferred Alternate Routes for Bicycles and Pedestrians

Project Flyers https://www.codot.gov/projects/i70-b-1st-street-grand-avenue/project-flyers https://www.codot.gov/@@site-logo/siteLogo.png

Project Flyers

I70-B 1st & Grand Improvement Project_Alt Route Map_8.2021FINAL (2).pdf
TRAFFIC IMPACTS_ I-70B Project week of August 9-13, 2021_FINAL.pdf
I70-B 1st & Grand Improvement Project_Bike&Ped Flyer_FINAL_8.1.2021.pdf
CMV Flyer FINAL_8.2021.pdf

Contact Us

Project Hotline:
970-309-1865

Project Email:
[email protected]

I-70 B Project Photos

Project Photos

Project News & Updates
  • I-70B 1st Street and Grand Avenue intersection project restarts Mar 17, 2022
  • Urgent: Partial intersection closure for 1st Street and Grand Avenue I-70B improvement project Dec 07, 2021
  • Temporary roundabout in place at 1st Street and Grand Avenue Improvement Project on I-70B Aug 12, 2021
  • I70-B 1st & Grand Improvement Project Alternate Route Aug 06, 2021
  • I-70B 1st Street and Grand Avenue Improvement Project begins May 12, 2021
  • I70B Traffic Impacts_week of 5_10-14.pdf May 10, 2021
  • CDOT to host two open house events ahead of construction on the I-70B 1st Street and Grand Avenue Improvement Project Apr 26, 2021
  • CDOT finalizes design for I-70B 1st Street and Grand Avenue Improvements project Nov 30, 2020
Project News & Updates - More…
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