The driver of a vehicle that was involved in two separate collisions on the Trans Canada this morning is believed to have suffered a medical event. RCMP started getting calls about a westbound vehicle driving erratically on the Trans Canada in Terra Nova National Park this morning around 9:20. The vehicle, a blue Hyundai Tucson, then turned around and headed east. It was involved in two separate collisions. The first was in the park, and the sec…