Saturday afternoon, Somerset County Sheriff's Deputies pulled over 37-year-old Destiny Alton on Spring Hill Road in Palmyra.
Officials say Alton originally refused to stop for police and tried to switch places with a passenger, since she was not supposed to be operating a vehicle.
During the traffic stop, Sheriff's Deputies executed a search warrant on Alton's car.
Inside the vehicle, authorities seized 98 grams of Fentanyl, a small amount of crack cocaine, 41 Xanax pills, more than $4,700 in cash and other drug paraphernalia.
Alton was arrested and charged with aggravated trafficking in Fentanyl, due to the amount of the drug seized.
She is being held without bail at the Somerset County Jail and was expected to make her first court appearance Monday.
Alton's passenger, 31-year old Andrew Veysey of Palmyra, was summonsed for operating a motor vehicle while suspended.