U.S. Federal Route 12 runs mostly north-south through Sauk County. Even though this is a east-west highway. It runs from the Sauk/Dane County Line, near Sauk City, to the Sauk/Juneau County Line, near Wisconsin Dells. U.S. Rt. 12 passes through the following towns in Sauk County. Sauk City Baraboo
Branches of U.S. Rt. 12 in Sauk County. EB U.S. Rt. 12 in West Baraboo. A junction marker on BUSN U.S. Rt. 12/WB WI St Rt 33. WB U.S. Rt. 12/WI St Rt 33 near West Baraboo. WB U.S. Rt. 12/WI St Rt 16 near Wisconsin Dells.