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UDOT outlines new Mountain Green I‑84 interchange plan; officials, residents press emergency access concerns
Summary
Tyler Allen, UDOT environmental manager, presented the I‑84 Mountain Green interchange proposal and said the project would build a new interchange and roadway connections intended to separate regional canyon traffic from local Mountain Green trips.
Tyler Allen, UDOT environmental manager for the Mountain Green project, told the Morgan County Commission the agency is seeking to separate regional traffic on I‑84 from local travel within Mountain Green to reduce congestion and safety risks.
The proposed action would add a new interchange and signalized connections between I‑84, a new arterial and Old Highway 167 (Trappers Loop Road); remove the existing westbound on‑ramp and eastbound off‑ramp at Exit 92; and remove the existing I‑84 rest area. Allen said the project started with scoping in summer 2023, moved into an environmental assessment in spring 2024, and that a public comment period opened April 4 and runs through May 8 with an online meeting April 22 and an in‑person hearing April 23; UDOT expects to publish a decision in summer 2025.
Why it matters: UDOT staff said current conditions mix regional canyon traffic with local Mountain Green trips on roads not…
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