This report summarizes a study of a program implemented by the Austin, Texas, Police Department (APD) that was designed to solve problems encountered in performing enforcement and adjudication functions of the DWI enforcement system. This project assessed the impact of the program on the effectiveness of the system as a whole. Program analysis showed increases in the number of DWI arrests and in the DWI conviction rate. 8.5" x 11", three color, 18 pages.