This webpage is not updated over the weekend/overnight. For up-to-date information on traffic impacts, visit 511mn.org.
About this project

Hwy 3 project location map.
In 2025, we will construct a roundabout at the intersection of Hwy 3 and 142nd St. to improve safety, reduce delays and enhance the overall operations at the entrance to the Rosemount High School. In addition to adding the roundabout crews will also be adding drainage and re-aligning the bike/pedestrian crosswalks to include pedestrian access at the roundabout.
Summary of work
- Construct new roundabout at 142nd St.
- Add drainage
- Improve accessibility at the trail/sidewalk
Traffic impacts
All traffic impacts are tentative and weather dependent. All businesses and residences will remain accessible throughout the project however, it may not be your normal route.
Upcoming
Information about upcoming traffic impacts will be added as details become available. Motorists can expect a full closure of Hwy 3 at 142nd St. Hwy 3 and the trail near 142nd St. will be closed for approximately three months in 2025.