A call was made to Surrey Police by the Metropolitan Police around 9:40am today to say that the 14-year-old, who went missing on 12 September, was at a north London police station.
Her safe return is thought to be as a direct result of the media appeals, and the media and public are thanked for their assistance.
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The victim was hit as she crossed the road at a pedestrian crossing in Tulse Hill.
The 24-year-old was unarmed and the incident is not being treated as terror-related.
Some platforms have been taken out of service with disruption expected to continue until the end of the day.