BOSTON ? State Police charged a Lynn man with cocaine trafficking after a traffic stop in Boston.Jose Landestoy, 28, was arrested and charged with trafficking in Class B drugs, cocaine; possession of Class B drugs with intent to distribute; a marked-lanes violation; an unsafe lane change; failure to signal; and speeding.Trooper Thomas Hannon was on patrol on the Riverway in the Longwood Avenue area of Boston at approximately 1:45 p.m. Friday when he noticed a 2005 Nissan Maxima make several moving violations, police said. The trooper pulled the car over and identified the driver as Landestoy, and a subsequent investigation resulted in the charges, police said.Police said Landestoy was held on $50,000 bail and is scheduled to be arraigned in Roxbury District Court Monday.