In preparation for major traffic changes near state Highway 500, a stretch of St. Johns Boulevard will close in both directions from midnight to 6 a.m. Monday, according to the Washington State Department of Transportation.
The closure will stretch from Cherry Road to East 33rd Street while crews restripe the roadway, put up concrete barriers and set up a traffic shift.
Crews are diverting traffic to make room for the construction of a new freeway-style interchange at St. Johns and Highway 500. The $48 million project will raise St. Johns up and over the highway with a new bridge connected by ramps on each side.
Starting Monday, drivers will see narrowed lanes on the highway, and St. Johns will be reduced to one lane in each direction.
Speed limits will also be reduced, and no left turns will be permitted from either thoroughfare.
The project is expected to be finished in late 2012 or early 2013.