HAYWARD, Calif. (KRON) — A driver in the East Bay was arrested for having more than the legal amount of marijuana. After a traffic violation on I-880, authorities conducted a traffic stop that led to the seizure of the drugs, California Highway Patrol of Hayward announced Thursday in a Facebook post.

A CHP officer saw a vehicle drive past the double white lines on the highway. A traffic stop was then initiated, which led to the discovery 26 pounds of marijuana.

A 26-year-old unidentified driver was stopped, and the officer saw the dozens of bags filled with marijuana in the backseat, according to CHP. A loaded handgun with “obliterated serial numbers” was also discovered.

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In California, it is illegal for anyone 21 and over to possess more than 28.5 grams of marijuana, according to Proposition 64. The driver was arrested on felony gun charges and possession/transportation of marijuana for sales.