U.S. Highway 12 has been closed to through traffic starting at mile marker 16, however, there are detours available to all but commercial trucks and RV's.
Construction on another traffic-calming roundabout will begin on Tuesday, September 3 at the three-way intersection of Toole Avenue, Scott Street, and Spruce Street on Missoula's north side. Construction manager for the city of Missoula, Doug Harby, said last week that this roundabout differs in some ways from others recently installed in Missoula.