An Accident on 163 Friday night caused traffic to slow to a standstill. A pickup truck headed northbound on 163 near Pella was making a left turn when it was rear ended by a vehicle driven by a pregnant woman. The woman was airlifted away from the scene, the male driver of the pickup truck was transported to Methodist MedicaL Center in Des Moines. KNIA/KRLS will bring you more details as they become official.