Westminster police stopped 23 cars and made one arrest at a high-profile drug checkpoint in the Boulder-bound lanes of U.S. 36 on Tuesday night.

The cars were stopped for traffic violations between 7 p.m. and 12:30 a.m. near the Church Ranch Boulevard exit, Westminster police investigator Trevor Materasso said.

Of the 23 stopped, it's unclear how many were searched for drugs, but three traffic tickets were issued, and one man was arrested on suspicion of felony marijuana possession, Materasso said.

A person must possess at least 12 ounces of dried marijuana to be charged with a felony in Colorado, according to state statutes.

"I think it's a key public safety resource and tool to do drug interdiction," Materasso said. "The interstate and highway systems are recognized as conduits that allow large-scale (drug) trafficking through Westminster the Denver metro area..."

Just don't look in the trunk!