 Northwest traffic from the High Performance Homes Traffic Center. In Bothell on southbound Highway 527 at 196th Street Southeast, a collision continues to block the left lane. Medical aid and fire assistance are on the scene. Out near Gorist on northbound Highway 3 near Highway 16, watch for a collision blocking the right lane. And in the Purdy area, westbound Highway 16 near Highway 302, the roadway is reduced to just one lane overnight for construction work until about 6 a.m.