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CDOT outlines preferred I‑270 express‑lane alternative; final EIS expected in 2026
Summary
CDOT told Commerce City officials it has selected a preliminary preferred alternative for I‑270 that reconstructs the corridor, adds an express (toll) lane in each direction to prioritize transit, widens shoulders, and reconstructs bridges; CDOT estimates total project cost at about $806 million and plans phased construction beginning in late 2026.
Colorado Department of Transportation officials presented an update on the I‑270 corridor draft environmental impact statement (DEIS) and described a preliminary preferred alternative that would add an express (toll) lane in each direction while reconstructing the corridor’s bridges, ramps and shoulders.
Jenna Hahn, Commerce City’s director of public works, introduced CDOT representatives who said the DEIS public‑comment period ran from Nov. 1 through Jan. 20, 2026; CDOT will address substantive public comments and aims to finish a final EIS in 2026, subject to NEPA…
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