Four people have been injured in a three-vehicle traffic accident, along Route 322, at the Forest Park Estates, in Paint Township.  Jean Bish 80, of the Shippenville Area was driving a van which failed to stop for other traffic which was stopped in front of her.  The Bish vehicle hit the rear of a vehicle operated by Bruce Daugherty which then hit a vehicle operated by Jennette Bauer of the Shippenville area.  All three drivers, as well as a passenger in the Daugherty vehicle, were injured and taken to Clarion Hospital.