Joan A. Rhoads, 78, of Lancaster, PA, is charged with two counts of Driving Under the Influence and two related traffic offenses after being pulled over during a Superbowl Traffic Enforcement Detail in Mount Joy Borough.  Officers observed the defendant traveling on Main Street at a high rate of speed and in the turning lane while continuing straight.  During the traffic stop, Rhoads had difficulty standing on her own, bloodshot eyes, and slurred speech.  She was unable to successfully perform field sobriety tests and admitted to drinking before driving her vehicle.