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Chambers Road widening pegged at $31.4 million; three traffic signals to advance from CIP funding
Summary
Staff said the projected cost to widen Chambers Road from the earlier 2022 estimate of $23.2 million has risen to $31.4 million because of added scope and inflation; the city has about $7.4 million available now and reported it will advance three traffic signals (at 105th, 117th and Heartland) from the CIP while seeking grant funds for remaining
Commerce City staff updated the council on the Chambers Road widening project, telling the study session the project cost estimate has risen to roughly $31.4 million from a 2022 estimate of about $23.2 million. Staff attributed the increase to a broader scope—bridge work over Second Creek and other design additions—and roughly $3.5 million of inflation since 2022.
Staff said roughly $7.4 million is currently available in project funding. The presentation noted three traffic signals—at E. 105th, E. 117th and Heartland—are being designed now and staff intend to advance those signal projects from the Chambers CIP account; poles and materials procurement is underway and staff expect the signals’ design and materials procurements to be complete by October so construction can follow when materials arrive.
Councilmembers questioned whether the signals should be accounted for separately from the full widening CIP because the signals had been requested independently; staff said they could present separate appropriations if council prefers, and that program accounting could be adjusted. Staff also said right‑of‑way appraisals are in progress with acquisition work and that construction timing depends on securing the remaining funding; staff will continue to pursue grants.
Ending: Staff said they will return with updated cost details and timeline as right‑of‑way appraisal and construction planning continue and urged council to confirm whether it wants separate appropriations for the three signals.
