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Monticello Today
By the People, for the People
Highway 25 Closures Ahead Between Monticello and Buffalo
Major construction project will impact traffic with closures and new roundabouts starting in April.
Apr. 2, 2026 at 1:53pm
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A $11.4-million reconstruction project on Highway 25 between Monticello and Buffalo, Minnesota will force traffic detours starting on April 21. The project includes new roundabouts at several intersections as well as pedestrian improvements and trail connections, and is scheduled to be completed in late fall.
Why it matters
The closure of this major highway connecting the two cities will significantly impact commuters, businesses, and residents in the area. The new roundabouts are designed to improve traffic flow and safety, but the detours could cause delays and disruptions during the multi-month construction period.
The details
Crews will begin preparing the work zone and setting up detour routes starting on April 13. On April 21, Highway 25 will fully close between Cameron Avenue NE and John Ause Memorial Drive in Buffalo. Through traffic will be forced to detour, but local access will be maintained. The project includes a full reconstruction of the highway with new roundabouts at three key intersections.
- Starting on April 13, crews will begin preparing the work zone and setting up detour routes.
- On April 21, Highway 25 will fully close between Cameron Avenue NE and John Ause Memorial Drive in Buffalo.
- The $11.4-million project is scheduled to be completed in late fall.
The players
Highway 25
The major highway connecting the cities of Monticello and Buffalo, Minnesota.
What’s next
Drivers should plan ahead for the upcoming closures and detours, and check for updates on the project's progress and timeline.
The takeaway
This major construction project on Highway 25 will significantly impact travel between Monticello and Buffalo for several months, but the new roundabouts and other improvements are expected to enhance safety and traffic flow once completed.


