Springfield office:
Michael J. Howlett Bldg.
501 S. Second St. Rm. 211
Springfield, IL 62756
Mon.–Fri. 8 a.m.–4:30 p.m.

Chicago office:
17 N. State St., Ste. 1020
Chicago, IL 60602
Mon.–Fri. 8:00 a.m.–4:30 p.m.
(Serves Cook, DuPage, Kane, Lake, McHenry and Will county residents.)

The BAIID Division monitors the installation and readings on more than 10,000 ignition interlock devices installed on vehicles of DUI offenders. BAIID also annually certifies all vendors that provide ignition interlock service in Illinois and conducts quarterly inspections of all Illinois BAIID inspection sites. The division also issues Monitoring Device Driving Permits (MDDP) for first-time DUI offenders.