Emergency services received a call about the incident on the A119 at Haddington around 12.30pm on Wednesday.
The crash involved a car and a motorbike.
A199: Motorcyclist in hospital after two vehicle crash in East Lothian
A spokesperson for Police Scotland said: "There are no reports of any serious injuries and the motorbike rider has been taken to hospital as a precaution.
"Officers remain at the scene at this time.”
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