On Friday, Aug. 30, at 12:10 p.m. Oregon State Police and emergency personnel responded to the report of a vehicle crash on Highway 26 near milepost 41.
Preliminary investigation revealed a maroon Toyota Yaris, operated by Ken Duong, 48, of Beaverton, was eastbound when for unknown reasons the vehicle left the roadway and struck the tunnel.
Duong sustained fatal injuries and was pronounced dead at the scene.
Highway 26 was closed for approximately three hours.
Oregon State Police was assisted by ODOT, Washington County Sheriff’s Office, and Gaston Fire Department.