Noelle N'Diaye was arrested after he husband called police and reported his wife had smoked crack cocaine with their child in the car.
Ibrahim N'Diaye and his wife both teach at Morehead State University in eastern Kentucky.
City Police Captain Mike Adams says the baby later tested positive for cocaine, but was not harmed and was returned to her father.
The husband had called police Saturday night, saying his wife and child were gone.
Early Sunday, police got a call from a woman who had locked herself out of her car with her baby inside it at an Interstate 64 rest stop. It turned out to be the wife, who was returned to her home.
This from WKYT TV. (video)