A Barrie man is dead following a collision in Niagara Falls on Wednesday. Provincial Police say three vehicles, including a tractor-trailer, were involved in the collision that happened between Thorold Stone Road and Mountain Road on the Queen Elizabeth Way (QEW) around 2:45 p.m. OPP say the driver of the truck, a 48-year-old Barrie man, was killed in the crash. Police say the driver of the car was airlifted to the hospital, where she remains with serious injuries. The third vehicle was not directly involved in the crash but was hit by debris. Police say the driver of that vehicle was not injured. Police say no charges have been laid at this time and an investigation into the matter is ongoing.