Marple Twp. Emergency Services were notified of a two vehicle accident reported with entrapment to West Chester Pike & I-476 around 1345hrs.  First arriving EMS units found a contractor van on its side with three subjects injured, no entrapment.  Rescue, Squad, & Chief 53 made the response and assisted with clean-up and fluid control, while Traffic 53 assisted MTPD with traffic control in the area.  Three subjects were transported by MTAC to an area hospital for treatment of minor injuries.