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Minnesota Department of Transportation

511 Travel Info

Highway 22

Mankato to St. Peter

About this project

Summary of work

  • Reconstruct roadway from south of Blue Earth County Road 57 in Mankato to just south of the Minnesota River Bridge in St. Peter
  • Add new turn lanes and passing lanes throughout the project area
  • Construct a roundabout at Hill St. (Le Sueur County Road 21) in Kasota
  • Design and grade for a future walking and biking trail to connect Mankato and St. Peter
  • Improve lighting at intersections, repair and replace bridges, and install snow fence

Layouts

Benefits

  • Reduce crashes at intersections and along Hwy 22
  • Improve traffic flow and reduce delays
  • Improve pavement for a smooth ride
  • Prepare for a potential future walking and biking trail separated from traffic lanes

Traffic impacts

  • 2024: minor impacts to Hwy 22 traffic
  • 2025: Hwy 22 traffic detoured to Hwy 169 (detour removed during winter)
  • 2026: Hwy 22 traffic detoured to Hwy 169; detour in place for Rabbit Rd. bridge work (detour removed during winter)

Key intersection improvements