As many as four people may have been injured in a three vehicle rear-end type collision in Mahoning Township Saturday morning. The crash happened as the vehicles were traveling west on Route 443, with a white van slowing down for traffic. A following Jeep Wrangler also slowed down, but a third car did not, and struck the Jeep in the right rear. Mahoning Township fire police maintained traffic control at the scene, reducing traffic to one alternating lane.