Buffalo Grove police on three of their traffic stop overnight Friday to Saturday discovered three DUI drivers. The first arrest was about 1:20 a.m. near Dundee Road and Buffalo Grove Road. The second arrest was at Arlington Heights Road and Lake Cook Road at about 1:30 a.m. The third arrest occurred for an intoxicated motorist at Lake Cook Road and Arlington Heights Road at 4:30 a.m.
Arlington Heights police had two DUI arrests overnight — one involved in a one-vehicle crash near Arlington Heights Road and Central Road, and one in the 500 block of West Algonquin Road in Arlington Heights.