While traffic impacts from the Underpass construction so far have caused some lane closures, the first major road closure will begin Monday, and will be in place for more than a year. Traffic will be detoured on 34thStreet South via 12th Avenue South and Highway 10. 

Other areas impacted include: 4th Avenue, 22nd Street, 21st Street, 2nd Avenue, Oakway and Birch Lanes, 1stAvenue and 12th Avenue.

Vehicles entering Moorhead High School parking lot should use the entrance on the east side of the school along 4th Avenue.