Three people died when a driver tried to pass a snow plow Monday morning in Washington County. The Iowa State Patrol reports a Buick was traveling southbound on Highway 1 toward Washington from Kalona when the driver tried to pass an Iowa DOT snowplow. The vehicle collided head-on with a Nissan in the northbound lane. The drivers of both vehicles were killed, as was the front passenger of the Nissan, and another passenger was injured and transported to the University of Iowa Hospital. The Iowa State Patrol is investigating and has not released the names of those involved. The Iowa State Patrol was assisted by the Washington County Sheriff’s Office, Washington County EMS, and the Jones Eden Funeral Home.