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 [...]