Traffic was for the most part flowing freely in two directions on a state highway that was blocked by a huge landslide six months ago in Washington state that killed 43 people. FILE - This combination of March 27, 2014 and Sept. 23, 2014 photos shows receeding flood waters on Washington Highway 530 on the eastern edge of the massive mudslide that struck Saturday, March 22, 2014, in Oso, Wash.