FHWA Finalizes Actions on Colorado I-270 Highway Upgrade Project
Published Date: 9/9/2026
Notice
Summary
This notice announces actions taken by the FHWA that are final. The actions relate to a proposed highway project, I-270 Corridor Improvements Project from I-25 to I-70 in the City of Commerce City, Adams County and City and County of Denver, Colorado, FHWA Project Number STU 2706-046, Colorado Department of Transportation (CDOT) Number 25611.
Analyzed Economic Effects
4 provisions identified: 4 benefits, 0 costs, 0 mixed.
Express Lanes Added on I-270
If you drive on I-270 between I-25 and I-70 in Commerce City and Denver, the selected plan will add express lanes in both directions to relieve congestion and improve safety. The Final Environmental Impact Statement and Record of Decision for this change were issued on September 4, 2026.
Replacement of 12 Aging Bridges
The project will replace 12 aging bridges along the I-270 corridor between I-25 and I-70. Replacing these bridges is intended to maintain or improve travel reliability and safety for people who use this route.
I-270/Vasquez Boulevard Interchange Rebuilt
The selected alternative will rebuild the I-270/Vasquez Boulevard interchange as part of the I-270 Corridor Improvements Project. Rebuilding the interchange is intended to improve traffic flow and safety at that junction.
Improved Multimodal Connectivity Across I-270
The project will improve multimodal connectivity across I-270, which means better crossings and links for pedestrians, cyclists, and transit users in the corridor between I-25 and I-70. The FEIS/ROD documenting this decision was issued on September 4, 2026.
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