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MoDOT outlines major I‑70 rebuild, interchange work and local impacts near O'Fallon
Summary
MoDOT area engineer Andy briefed the Public Works Advisory Committee on a large I‑70/I‑64 design‑build program, describing a $600 million district package, bridge replacements, widened lanes and local staging that will affect O'Fallon-area travel through 2028.
Andy, a Missouri Department of Transportation area engineer, told the Public Works Advisory Committee on July 16 that the I‑70 program is a statewide push to provide six lanes across the state and that the Saint Louis District has folded many corridor projects together to improve efficiency.
The presentation emphasized scale and permanence: Andy said the combined Warrenton-to‑Highway K work amounts to roughly $600,000,000 for the district and includes multiple bridge replacements and full pavement rebuilds rather than overlays. "Everything you see on the screen, ultimately, it all plays well together," he said, and described the interchange…
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