A semitruck driver was suspected to be under the influence of drugs, police say, after the vehicle he was driving exited its lane on Moab’s Main Street and hit a car in a left turn lane on Saturday.

A police officer searched Donald Ray Vaughn Jr.’s vehicle and found plastic bags containing methamphetamine, heroin, suspected MDMA and several syringes, according to Moab Police Chief Jim Winder. Vaughn was arrested and taken to the Grand County Sheriff’s office jail facility.

Vaughn was charged with two counts of possession of a controlled substance, DUI, use or possession of drug paraphernalia, and being under the influence of drugs while on duty in a commercial vehicle.