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Council approves $102,000 engineering agreement and expects MPO support for 80th St/Highway 151 roundabout
Summary
Engineers presented a preliminary planning and traffic study scope for a roundabout at 80th Street and Highway 151; council approved a $102,000 engineering services proposal and staff expects an MPO contribution of $3.6 million toward the larger project.
Council heard from John Larson of Hall of Home Engineers on preliminary planning and design work for a proposed roundabout at 80th Street and Highway 151. Larson outlined the consultant team (Snyder & Associates for traffic work), a three‑concept design approach, boundary and topographic surveying, and public engagement milestones.
Larson said the team will use historical traffic data and prorate out future traffic volumes (removing temporary data center construction traffic) to determine design controls. He described deliverables that include a traffic study, mapping of existing conditions, and conceptual geometries to present to council and the public.
Councilmembers discussed cost assumptions and funding. The mayor noted a Metropolitan Planning Organization (MPO) application for $3.6 million was submitted based on staff projections; council and staff discussed a city match and uncertainty about exact splits but noted $3.6 million is what was applied for from the MPO. Council then moved to adopt the engineering agreement for design and study services (contract value in the discussion was stated as $102,000) and approved it by roll call.
Why it matters: If funded, the MPO contribution would cover a large portion of the project, while the city's engineering contract funds early planning and public engagement work required to advance final design.
What’s next: Staff will return with more detailed cost breakdowns and traffic‑study results; planning and design will proceed if MPO funding is confirmed.
