A 71-year-old woman has died after a two-vehicle collision in Whitchurch-Stouffville on Tuesday afternoon, according to police.The crash occurred around 3:45 p.m. on Bloomington Road and Thornbay Drive. Officers say a dump truck and a car were involved.York regional police say the 71-year-old woman was the driver of the car and succumbed to her injuries after the crash.No further details on the driver of the dump truck have been released.