A 16-year-old boy is dead after a buggy rolled over in a town north-east of Adelaide.

The teenager was a passenger in the buggy, which was being driven on-road by another 16-year-old boy, when it rolled over just after 9pm yesterday in Paracombe.

The passenger, who was from Modbury Heights, died at the scene on Pitt Road.

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The driver was taken to hospital for observation.

Police are investigating the circumstances surrounding the boy's death.