The eastern section of Wisconsin State Route 19 runs very briefly in Northern Jefferson County. This runs in the Watertown Area, just south of the Dodge/Jefferson County Line. WI St Rt 19 passes through the following town in Jefferson County. Watertown
WI St Rt 19 is multi-plexed in Jefferson County. BUSN Wisconsin State Route 16, at Watertown. WI St Rt 19 intersects the following highways in Jefferson County. Wisconsin State Route 26, at Watertown. BUSN Wisconsin State Route 16, at Watertown. Wisconsin State Route 16, at Watertown. BUSN Wisconsin State Route 16, at Watertown.
