COVINGTON, La (BRPROUD) — Troopers with the Louisiana State Police made a traffic stop early Monday morning in St. Tammany.

Troopers stopped a 2005 Peterbilt 387 traveling on I-12 East. During the stop, troopers searched the semi and seized 55 kilogram of suspected cocaine. The street value of the amount of cocaine is estimated at $5.5 million, according to LSP.

New York residents, Melvin Contreras, 32, and 40-year-old Pedro Sarante, were booked into the St. Tammany Parish Jail on drug related charges.

Troopers say they followed up with federal partners at the Department of Homeland Security and the case was referred to federal authorities.