A 75 year-old Beech Hill woman has died following a serious crash near Exit 6 involving seven people. Mounties say Myrtle Veinotte was pronounced dead at the scene. The collision involved a maroon van and white SUV and occurred around 10:45am on Highway 103. A section of the highway was closed for more than five hours. Four of the six people riding in the SUV were taken to hospital - three of those are listed in critical condition. Those in the SUV are thought to be from the Toronto area. Investigators say the collision happened when the elderly woman's vehicle crossed the centre line and collided head on with the SUV. She was the only person traveling in the van. The highway has re-opened.