State Police said they got a "hit" on a license plate reader on a car driven by Christopher Taylor, 35, of Windsor Locks, near Exit 8 in Danbury.
State police stopped the car off Exit 6 at the Gulf gas station in Danbury and confirmed it was stolen.
A search with the help of a police K9 turned up Oxycontin and less than 4 ounces of marijuana in Taylor's possession and inside the car, state police said.
Taylor was charged with motor vehicle theft, possession of narcotics, possession of less than 4 ounces of marijuana and driving with a suspended license.
Bond was set at $25,000. He is due in Danbury Superior Court on May 20.
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