Wisconsin State Route 89 is a north-south highway in Western Jefferson County. It runs from the Walworth/Jefferson County Line, near Whitewater to the Jefferson/Dodge County Line, near Waterloo. WI St Rt 89 passes through the following towns in Jefferson County. Fort Atkinson Lake Mills Waterloo WI St Rt 89 is multi-plexed in Jefferson County. U.S. Rt. 12, from the Walworth/Jefferson County Line to Fort Atkinson. U.S. Rt. 18, near Jefferson. Wisconsin State Route 19, near Waterloo. WI St Rt 89 intersects the following highways in Jefferson County. U.S. Rt. 12, at Fort Atkinson. Wisconsin State Route 106, at Fort Atkinson. Wisconsin State Route 26, at Fort Atkinson. U.S. Rt. 18, near Jefferson. U.S. Rt. 18, near Jefferson. Interstate 94, at Lake Mills. Wisconsin State Route 19, near Waterloo. Wisconsin State Route 19, at Waterloo.
