Police say the truck backed over the man who was using a walker on a sidewalk Jan 18.
The driver drove away unaware that the man had become entangled with the rear hitch of the truck.
He later died of his injuries in hospital.
Police say the driver was never aware of what happened and continue to her destination without stopping.
Jacoba Jean Davidson, 26, of Calgary is charged with unsafe backing and is to appear in court April 28.