Truck Collides with Tree on State Highway 21 In Monroe County On Wednesday, July 14, 2021 at approximately 6:38am, the Monroe County Communications Center received a report of a truck colliding into a tree off of State Highway 21 near County Highway E in the Greenfield Township. The driver of a red 2011 Ford F-150 was found to be injured and trapped in the vehicle. The Oakdale Fire Department extricated the driver out of the vehicle, who was then transported to a hospital by the Tomah Area Ambulance Service. The Monroe County Sheriff’s Office investigated the crash and found that the driver suffered from a medical condition prior to veering off of the highway.