(Central Point, OR) -- A traffic stop led to a large drug bust in Southern Oregon. A state trooper pulled over a car on I-5 North of Medford for a traffic violation Friday afternoon. During a search of the car, the trooper found two hidden compartments in the floor of the car. Troopers seized seven pounds of cocaine and three grams of heroin. The driver, 50-year-old Marisol Cervantes of Vancouver, was arrested on drug charges.