Highway 281 south of Quincy was closed for about an hour yesterday due to a semi-pedestrian accident. Quincy Police say an 18-year-old Hispanic man was walking southbound on 281 and suddenly walked into the path of the truck and was hit. On the helicopter flight to Spokane, the man died. Quincy Police along with the Washington State Patrol Commercial Vehicles Division is investigating the incident. The truck driver was uninjured.