A man was trapped for an hour in an overturned car.
Fire crews from Littlehampton, Arundel and Worthing were called to the accident on the A284 just after midnight.
A silver Honda had hit a tree and turned onto its roof at the Whiteways roundabout north of Arundel.
Firefighters used cutting equipment to free the driver.
He was taken to hospital for treatment for a broken hand.
The road was cleared by 1.28am.
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