By Brad Segall

By Brad Segall

ROYERSFORD, Pa. (CBS) — Police in Upper Providence (Montgomery County) say they have been able to trace the steps of a 20-year-old woman who went missing Friday night after driving off from her Royersford home.

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Police confirm that Deirdre Magolon was picked up by a motorist near the car she abandoned in the eastbound lanes of Route 422, near the I-76 interchange in King of Prussia.

That driver confirms he dropped her off in the area of Rosehill and East Ontario Streets, in Philadelphia.

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Police say she was seen Saturday, near Kensington Avenue and North Front Street, and on Sunday near Kensington and Aramingo Avenues.

Authorities say she suffers from a mental health disorder and has attempted suicide in the past. Police and her family continue asking for help from the public as the search continues.

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Police say they received numerous credible tips about Magolon after media coverage Monday about her disappearance.