ROCK HILL — Four people were charged with driving under the influence early Saturday morning during a traffic checkpoint in Rock Hill.

From 12 to 2:30 a.m., Rock Hill police and other agencies checked more than 200 vehicles at a checkpoint at Heckle Boulevard and Hollis Lakes Road, according to a Rock Hill police report.

In addition to the four DUIs, police also made two marijuana arrests, one DUS arrest, one under-aged consumption of alcohol, two open container and six warnings.