A 75-year-old woman was airlifted to hospital after being hit by a delivery van yesterday afternoon.
Police are now appealing for witnesses to the crash, which happened in Church Lane, Walberton, near Arundel, just before 2.30pm.
The woman pedestrian, was airlifted to hospital with serious injuries.
The van, a Fiat Ducato, was being driven by a 38-year-old man. He was unhurt.
Anyone with information is asked to email collision.appeal@sussex.pnn.police.uk or call 101 quoting Operation Op Longshore.