Police are appealing for witnesses to a crash on the A19 on Thursday.
The accident happened at 10pm on the northbound carriageway.
The driver and three passengers in a Citroen Saxo, who were all in their late teens and from Billingham, suffered cuts and bruises and were taken to North Tees General Hospital.
One of the passengers, an 18-year-old girl with a broken collar bone and injury to her right eye, was detained.
The driver lost control shortly after passing the Mandale interchange on the northbound lane, and the car hit the central barrier, overturned and came to rest on its roof on the carriageway.
Anyone who saw the accident is asked to contact PC Julie Kitson on 01642-301552.
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