Highway 25 Closes April 21 Between Buffalo, Monticello for $11.4M Construction
Summary
The Minnesota Department of Transportation announces that Highway 25 will close between Buffalo and Monticello beginning April 21 through late October 2026. The $11.4 million project will reconstruct seven miles of Highway 25, repair drainage, improve access points, and build three roundabouts. A detour via Highway 55, Wright County Road 12, County Road 37, and County Road 131 will be posted for through traffic.
What changed
The Minnesota Department of Transportation announced a highway closure on Highway 25 between Buffalo and Monticello, effective April 21, 2026, through late October 2026. The closure is part of a $11.4 million construction project that will reconstruct seven miles of highway, repair drainage, improve access points, and build three roundabouts with pedestrian and trail improvements. A detour route via Highway 55 and county roads will be posted for through traffic while local access remains available.
Motorists and trucking companies operating in the Buffalo and Monticello area should plan for significant travel delays and use the posted detour route. The construction zone will feature changing conditions including lane shifts and equipment, with fines of $300 for speeding violations in the work zone. Travelers can check 511mn.org or the free smartphone app for real-time traffic updates.
Penalties
$300 fine for speeding in work zone
Archived snapshot
Apr 16, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Highway 25 detour between Buffalo and Monticello begins April 21
Expect changes, roadwork through October
ST. CLOUD, Minn. – Starting Tuesday, April 21, Highway 25 will close between John Ause Memorial Drive in Buffalo and Cameron Avenue NE south of Monticello as construction kicks off, the Minnesota Department of Transportation reports. ****
Highway 25 will detour on Highway 55, Wright County Road 12, County Road 37 and County Road 131. Access will be maintained for those who live, work or visit locations within the work zone but temporary hard closures will occur. Follow local signage and plan extra travel time.
To keep workers safe, follow these tips:
- Obey posted speed limits. The fine for speeding in a work zone is $300.
- Stay alert and avoid distractions.
- Move over and give crews space.
- Be patient and expect delays.
- Never enter a road closed with barriers or cones.
- Expect changing conditions, including lane shifts and equipment.
- Check 511mn.org or the free app for real-time travel information. The project will reconstruct seven miles of Highway 25, repair drainage, improve access points and build three roundabouts. Pedestrian and trail improvements will also be added.
In July, the detour will shift as crews rebuild and recycle the road surface using Stabilized Full Depth Reclamation, which requires deep excavation and large equipment.
he road will remain closed to through traffic until late October.
When all lanes reopen in fall 2026, the $11.4 million project will improve safety, drainage and ride quality along Highway 25.
Learn more and sign up for email updates at www.mndot.gov/d3/projects/hwy25 .
Figure 1: Highway 25 Buffalo to Monticello detour map (PNG). Local traffic should follow signs from detour route.
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