History of DUI Laws in Illinois
Tuesday, September 16th, 2008Effective Jan. 1, 1958
Established a .15 percent BAC limit at which a driver is presumed to be under the influence of alcohol.
Effective Jan. 1, 1967
Lowered the illegal BAC limit from .15 to .10 percent.
Effective Jan. 1, 1980
Established 21 as the minimum drinking age.
Effective Jan. 1, 1984
Established mandatory 48-hour imprisonment or 10 days of community service [...]
