A Carbon County driver is facing a charge of driving under the influence after she rammed her car into the rear of another vehicle.

State police at Fogelsville said Shana Lee Ahner, 20, of Palmerton, was driving eastbound on Interstate 78 in Allentown at 4:10 a.m. on Thursday, when she struck the rear of a car driven by Nancy Echevarria-Perez, 52, of Reading. No one was injured.Ahner was found to be under the influence, troopers said, and was arrested for suspicion of DUI.