A traffic stop on a big rig led to multiple charges against the truck driver.

The big rig was stopped by an El Centro police officer at about 6:18 p.m. Thursday. The truck was on Interstate 8 just west of Imperial Avenue. A search of the truck led to the discovery of a 9mm pistol. A further search with a K-9 led to the discovery of drugs. The 37-year-old driver of the big rig was arrested and is facing various drug related charges to include Possession of a Controlled Substance for Sale, Transport of a Controlled Substance, Possession of Drugs While Armed. He was booked into Imperial County Jail.