Wisconsin State Route 19 runs east-west across Northern Dane County. This is the western most county it passes through. WI St Rt 19 passes through the following towns in Dane County. Marshall Sun Prairie
A BGS on SB U.S. Rt. 151. EB WI St Rt 19 west of U.S. Rt. 51. EB WI St Rt 19 east of I-39/90/94. A guide marker on the ramp from I-39/90/94. A BGS on NB I-39; WB I-90/94. A junction marker on WB U.S. Rt. 12. Photo from: Paul Dienhart A guide marker on WB U.S. Rt. 12. Photo from: Paul Dienhart