The light-blue, Buick station wagon was originally seen in Dexter, Maine.
Sgt. Alan Grinnell with the Dexter, Maine Police told 9NEWS the witness told police she saw the girl resembling Ridgeway Sunday afternoon on Spring Street in Dexter - a small town northwest of Bangor in central Maine. Dexter is 2,092 miles from Westminster, Colo.
The witness did not report the sighting to police until Tuesday at 10 a.m. because she did not see the Amber Alert for Jessica on her computer until Tuesday morning, Grinell told 9NEWS Crime and Justice Reporter Anastasiya Bolton.
The woman, who Grinnell will not identify, described the car the girl was seen in as a light-blue Buick station wagon - a mid 1990s model - with Colorado plates. She did not get the plate number.
The car had roof racks and five spoke wheels, Grinnell says.
Police later determined the car had no connection to the case.
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