Sec. 11. (a) This article does not repeal or modify Indiana law relating to the operation of a vehicle under the influence of liquor or drugs.
(b) IC 12-23-5, IC 12-23-6.1, IC 12-23-7.1, IC 12-23-8.1, and any other related provisions of this article shall be considered to be alternative methods or procedures for the prosecution of alcoholics or drug abusers as criminals.