Police are hunting the driver of a stolen car involved in a fatal hit and run on the A24 near Horsham on Friday.
The accident happened between the Broadbridge Heath and Robinhood Roundabout.
The car crashed into another vehicle, killing the driver, a 70-year-old woman from Horsham, and injuring her 70-year-old passenger, also from Horsham.
Officers believe the car had been taken during a burglary at a house in Goring, South Oxfordshire.
The vehicle had been stopped at the services at the Buck Barn crossroads and was then seen leaving in convoy with another car.
One of the vehicles crashed into a hedge near to the services. The driver ran from the vehicle and was arrested nearby.
The other vehicle was involved in the crash - on the A24 near Horsham - shortly afterwards.
The driver of the stolen vehicle fled the scene and is being searched for by police.
The 70-year-old died when a stolen black Mercedes crashed into her car last Friday
Officers are still hunting for a second driver who fled the the scene after crashing into 70 year old victim's car