(Washington County) A car crash on MO-21 in Washington County Tuesday afternoon sent four people to the hospital. Highway patrol says a ’92 Chevy Caprice driven by 23-year-old Andrew Robinson of Farmington struck the rear of a 2020 Chevy Trax at Schroer Road. Robinson and an occupant, 27-year-old Rebecca Pfingston, were not wearing safety devices at the time of the crash and received moderate injuries. The driver of the vehicle that was hit, 46-year-old Heather Kail and a juvenile from Potosi, were both injured. All four were taken to Washington County Memorial Hospital following the crash around 4:45 Tuesday afternoon.