DPS Traffic Stop Leads to Major Drug Seizure in Carson County. In a significant drug bust, the Texas Department of Public Safety (DPS) seized over 16 pounds of suspected cocaine and nearly two pounds of suspected fentanyl during a routine traffic stop in Carson County. The incident occurred this past Friday, September 6, around 5:00 p.m., when a DPS Trooper pulled over a 2025 Chevrolet Malibu traveling east on I-40 near Conway for a routine traffic violation.