Creates the DUI Treatment Court Act. Provides that the Chief Judge of each judicial circuit may establish a DUI court program in compliance with the Problem-Solving Court Standards. Provides that, at the discretion of the Chief Judge, the DUI court program may be operated in one or more counties of the circuit. Allows defendants from all counties within the circuit to participate. Provides that DUI court programs must be certified by the Illinois Supreme Court. Provides that persons who committed specified offenses are excluded from the DUI court program. Provides that a judge assigned to preside over a DUI treatment court shall have experience, training, and continuing education in specified topics. Provides, subject to appropriation, for mandatory education seminars for DUI court prosecutors and public defenders. Provides that a defendant may be admitted into a DUI court program upon the consent of the defendant and with the approval of the court only if the person has been charged with driving under the influence or aggravated driving under the influence. Provides that, subject to certain limitations, the court may vacate or successfully terminate the participant's sentence or otherwise discharge the participant from any further proceedings upon successful completion of the terms and conditions of the program.