At 3:46 am, Sunday, 8/30/15, Allyson Noel DUSCHL, age 21, of Lititz, was observed by ELTPD driving a motor vehicle in an erratic manner westbound  in the 1700 blk of Lincoln Highway East.  DUSCHL failed to drive within the lane of travel at varying speeds above and below the posted limit.    DUSCHL was determined to be under the influence of alcohol and was placed under arrest for DUI.   Breath test result for DUSCHL was 0.12% BAC.    DUSCHL was charged by ELTPD officer Sam Sanger with two counts of Driving Under the Influence of Alcohol or Controlled Substance (M) and one summary Traffic Violation.