Two area residents were killed in a head-on collision on Highway 163 Thursday in Jasper County. According to the Iowa State Patrol, a Lincoln MKX operated by 79 year old Dorothy Findlow of Monroe was traveling the wrong way in the eastbound lanes between Monroe and Prairie City near mile marker 22, colliding with a Chevy Trailblazer operated by 46 year old Delia Vance of Pella. Both individuals died due to their injuries; Vance was pronounced dead on-scene, while Findlow was transported by MercyOne Air to Des Moines, where she later died. The Iowa State Patrol is investigating the cause of the incident, and was assisted by several agencies in Jasper County.