A woman is in a critical condition after she was hit by a train at Dudley Park Station, in Adelaide's inner north.

Emergency Services were called to the station about 5.10pm.

Police said firefighters and paramedics "swiftly" moved the 61-year-old southern suburbs woman from the tracks to the platform before she was taken to hospital.

Dudley Park Station is a stop on the Gawler line, which runs parallel to Churchill Road.

Adelaide Metro staff attended the scene.

Police are investigating the circumstances of the incident.

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