Two died Friday afternoon in a wreck on Interstate 985 South in Gwinnett County. A box truck, Nissan car, Dodge pickup truck and a minivan towing a trailer carrying an ATV were involved in the accident about 4:20 p.m. near the Ga. 20 bridge, said Cpl. Jake Smith with the Gwinnett County Police Department. Smith said traffic was slowed or at a stop on the ramp from Ga. 20 onto I-985 South when the box truck crashed into the Nissan, killing two adults.