A 42-year-old man has been reported in connection with road traffic offences.
A police spokeswoman confirmed that two casualties were taken to Aberdeen Royal Infirmary following the crash.
She said: “A seven-year-old girl was taken to Aberdeen Royal Infirmary by ambulance and a 43-year-old woman was taken to the same hospital by air ambulance.”
The extent of their injuries are unknown.
The road was closed in both directions for around several hours as motorists were advised to avoid the area.
It was reopened around 8pm.
Seven-year-old girl taken to hospital following crash on A90 near Cortes junction
