(KRON) -- A traffic stop in Hercules found a man on probation in possession of narcotics and a “substantial” amount of cash, the Hercules Police Department announced Tuesday. Police pulled over a 2008 Dodge Ram 2500 truck and contacted the 41-year-old male driver. The driver, who lives in Vallejo, was found to be on probation in Contra Costa and Solano counties, authorities said. Woman killed in Vallejo, man arrested Officers conducted a probation search of the vehicle. Located inside were 10 pounds of suspected marijuana, a quarter pound of suspected fentanyl and 5 ounces of suspected methamphetamine, according to Hercules PD. Photo: Hercules Police Department “Each substance had individually portioned product in small amounts,” police said. Also located was a “substantial amount of cash rubber banded” and a scale with more empty new bags, HPD said. The Vallejo man was arrested and booked into the Martinez Detention Facility. The vehicle was towed for a registration violation, police said, and the cash was “taken for safekeeping.”