The victim in her 30's was struck on Healey Road.
Police are appealing for witnesses following a fatal road traffic collision in Ossett.
Officers were called at around 9.50pm to Healey Road on Friday 14th July, to a collision involving a pedestrian and a car.
The car, a grey Audi A5, had been driving in the direction of Ossett.
The pedestrian, a woman in her 30s, was taken to hospital where she was pronounced dead a short time later.
The 45-year-old male driver of the Audi was arrested on suspicion of driving while over the prescribed limit and causing death by dangerous driving.
Police are appealing for anyone who witnessed the collision, or witnessed the car involved driving in the area prior to the collision, to get in touch.