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CDOTNorth I-25 Express Lanes — Segment 6 (Berthoud–Johnstown)
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CDOT · Transportation

North I-25 Express Lanes — Segment 6 (Berthoud–Johnstown)

Express lanes & interchange work on I-25 north of Denver. Larimer and Weld counties. Timeline 2021–2023.

Money in FACT
Est. total cost
≈ $305M
Result so far
Complete. What this stage means

Complete. The work on this project is complete.

The stages, in order

  1. Requested An agency asked. No money yet.
  2. Funded Money approved. Work still to start.
  3. Underway Work started. Money goes out.
  4. Complete Work complete. This project

Halted Work stopped before the end.

This stage is our reading of the sources at the foot of this page, last read 24 September 2026.

Timeline 2021–2023

Still open PENDING
Spend to date

Colorado does not publish what it has spent on this project.

FACT B Honesty Framework The label says how we know the figure. The grade rates the source record, not the project. The grade rates the source record, not the project.

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How well does this project use public money?
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Your rating is stored without your name, address or any identifier. We count it into a total, so the people who govern this place can see how residents read their spending. No rating and no total is published on this site. We may publish summaries of what residents tell us about a place. Those are our own writing, never your rating and never a count, average or distribution of anybody's. Ratings and comments are grouped into themes that show elected leaders how residents rate each project.

Latest public update

CDOT lists Segment 6 as fully funded at approximately $305M. CDOT's own milestones page says the Berthoud to Fort Collins stretch, which includes Segment 6, was completed as 2023 closed: the express lanes were to open as soon as Dec 15, 2023, with work continuing through 2024 and a grand opening in spring 2024. This row said the segment was still under construction until 24 September 2026.

Open questions for the state (1)
ANALYSIS
  • Are final closeout costs posted for Segment 6?

Total cost and spending
Total project cost≈ $305M

Total cost & funding are drawn from the official record(s) listed below.

Spend-to-date: not published. Colorado does not publish what it has spent on this project, so this field is left blank rather than estimated. TOPS, the state’s spending ledger, does not carry CDOT’s construction payments. CDOT posts a payment estimate each month for every construction contract. Each one covers a single contract, not a project, and we have not matched this project’s contracts to them.

Milestones (3)
  • Funding identified — 2021
  • Express lanes Berthoud to Fort Collins open — as soon as December 2023
  • Final grand opening scheduled — spring 2024

Who is being paid (3)
FACT
Funding sourceFully funded: $20M federal BUILD grant plus state and local contributions.
Political giving
SEMA Construction, Inc.CM/GC contractor (JV lead)$215M contractPENDING Not published for this contract.BSEMA project pageSearch TRACER
Ralph L. Wadsworth ConstructionJV construction partner—PENDING Not published for this contract.BRocky Mountain ConstructionSearch TRACER
Muller Engineering CompanyPrime consultant, final design (5.1 mi, 13 bridges)—PENDING Not published for this contract.Bfirm project pageSearch TRACER
Where this comes from: award announcements and project records from CDOT, FHWA, agencies and the legislature’s nonpartisan staff — each Record link opens the source. Paid-to-date shows only published figures (green = verified); everything else stays PENDING, because the state does not publish payments project by project. Political giving links open TRACER, the Secretary of State’s official campaign-finance database, where contribution records are searchable by name — contributions are legal and public, and a search link implies no wrongdoing by anyone.

Sources and receipts (2)

Follow this project

North I-25 Express Lanes — Segment 6 (Berthoud–Johnstown)

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