Authorities say a single-vehicle accident reported yesterday (Tuesday) afternoon was a result of the driver experiencing an acute medical emergency. According to the Carroll Police Department, a 2022 Chevrolet Silverado, operated by 73-year-old Fred Lee Lappe of Auburn, was traveling westbound on 180th Street at approximately 12:20 p.m. when the vehicle veered off the roadway and collided with a tree west of the West Street intersection. Their initial investigation into the crash found no skid marks or other indications of attempts to avoid colliding with the tree, suggesting Lappe had died prior to the truck leaving the roadway. Carroll County Emergency Medical Services transported Lappe to St. Anthony Regional Hospital for examination by the Carroll County Medical Examiner.