A 3-vehicle accident at 1:45 Wednesday afternoon sent a Dixon man to the hospital with serious injuries. The Missouri Highway Patrol reports that a pickup driven by 28-year-old Bradley D. Poole of Waynesville rear-ended a car driven by 29-year-old Sara M. Arteaga of Saint Robert, the Arteaga car then ran into the back of a pickup driven by 32-year-old Amanda L. Jennings of Buffalo. A passenger in the Poole pickup, 49-year-old Benny Gates, suffered serious injuries and was transported to Phelps Health. All involved in the accident were wearing a safety device. The accident occurred on eastbound I-44 at the 164.4 mile marker.