On Wednesday afternoon at 1439hrs Traffic 38 was requested by Caln Police to assist with traffic control at Reeceville Rd & Rt340 for the MVA involving a school bus with children on the bus. Caln PD and Coatesville EMS were already on scene and had a vehicle that rear ended a school bus full of children. There were no injuries reported on the school bus but unfortunately there were injuries in the vehicle. Traffic 38 arrived and provided traffic control for approx 30 minutes until the vehicles and patients could be removed.