Emergency services responded to a collision on the A23 near Pyecombe this morning.
Police said shortly after 6am a silver Renault Clio car travelling north on the A23 near Pyecombe left the road, struck a lamp-post and overturned.
Its two occupants, both women, were unhurt, a spokesman for Sussex Police said.
A spokesman for South East Coast Ambulance Service confirmed it responded to the collision at approximately 6.30am.
The patients at the scene declined treatment, he said, and no one was taken to hospital.