(appeal from bench trial verdict regarding fault and damages from automobile accident on rural county road; plaintiff was speeding when his vehicle left roadway when faced with unexpected 90-degree turn in road; county’s signage warning of turn was mere 110 feet before turn and surface of sign was not retroreflective, which failed to comply with United States Department of Transportation Manual on Uniform Traffic Control Devices controlling traffic control devices in state; court held county’s placement of signage and failure to maintain retroreflective sign was negligent and assessed 60% of fault for accident to county; court held plaintiff’s speeding was also a cause of accident and assessed 40% of fault to plaintiff; plaintiff award $407,163.38 after reduction for his percentage of fault; both parties appealed; appellate court held evidence supported court’s findings on all issues and no error existed; district court ruling affirmed).