Michigan DWI/Sobriety Court Ignition Interlock Evaluation

This report was commissioned by the Michigan Association of Treatment Court Professionals (MATCP) in cooperation with the State Court Administrative Office (SCAO). Its purpose is to provide the legislature, the Secretary of State, and the Michigan Supreme Court documentation related to program participants’ compliance with court ordered conditions, their progress through the driving while impaired (DWI)/Sobriety Court program, and the outcome(s) of being placed on ignition interlock restrictions. This document is the fourth annual report: it provides the reader with an overview of issues pertaining to ignition interlock programs in Michigan for the period 2011-2014. It also summarizes the study design, provides a description of the data, analyzes the operation and effectiveness of the DWI/Sobriety Court ignition interlock program, and discusses data validation, innovative practices, obstacles, and lessons learned from the four year study. This report is directed toward legislators, court administrators and other criminal justice practitioners who are interested in the use of ignition interlock devices within DWI/Sobriety Court as a means of controlling and reducing drunk driving recidivism in the state of Michigan. Section 1 provides the reader with supplemental information regarding the use of interlocks to monitor and control offenders beyond the issues discussed in the 2012 - 2014 reports. Following this review, Sections 2 and 3 provide the methods and findings of the 2015 Ignition Interlock Program in Michigan. Finally, Section 4 provides the reader with general conclusions, and a summary of the first four years of the program.


  • English

Media Info

  • Media Type: Digital/other
  • Features: Appendices; Figures; References; Tables;
  • Pagination: 82p

Subject/Index Terms

Filing Info

  • Accession Number: 01603550
  • Record Type: Publication
  • Files: TRIS, ATRI, USDOT
  • Created Date: May 31 2016 12:44PM