U.S. Federal Route 45 is a north-south expressway in Washington County. North of West Bend it turns back into a two-lane highway. U.S. Rt. 45 passes through the following towns in Washington County. Germantown
West Bend Kewaskum
U.S. Rt. 45 is multi-plexed in Washington County. Interstate 41, near Germantown. U.S. Rt. 41, near Germantown.
NB I-41/U.S. Rt. 41-45 at the Waukesha/Washington County Line. A junction marker on County Line Road. NB I-41/U.S. Rt. 41-45 near WCH Q. NB I-41/U.S. Rt. 41-45 at east WI St Rt 167. NB I-41/U.S. Rt. 41-45; WB WI St Rt 167 near Hubertus. NB I-41/U.S. Rt. 41-45; WB WI St Rt 167 south of west WI St Rt 167-Holly Hills Road. A junction marker on WB WI St Rt 167. NB I-41/U.S. Rt. 41-45 north of west WI St Rt 167-Holly Hills Road. A BGS on NB I-41/U.S. Rt. 41-45. NB I-41/U.S. Rt. 41-45 at north I-41/U.S. Rt. 41. NB U.S. Rt. 45 north of WI St Rt 145. NB U.S. Rt. 45 north of WI St Rt 60. NB U.S. Rt. 45 at WCH PV. NB U.S. Rt. 45 north of WCH PV. NB U.S. Rt. 45 south of WCH NN. NB U.S. Rt. 45 at 18th. NB U.S. Rt. 45 south of WI St Rt 33/144. NB U.S. Rt. 45 at WCH D. NB U.S. Rt. 45 north of WCH D. NB U.S. Rt. 45 south of WCH H. NB U.S. Rt. 45 at WCH H. NB U.S. Rt. 45 south of Kewaskum. NB U.S. Rt. 45 near Mohwak in Kewaskum. A junction marker on WB WI St Rt 28. NB U.S. Rt. 45/WB WI St Rt 28 at Kights Ave. NB U.S. Rt. 45/WB WI St Rt 28 at west WI St Rt 28. NB U.S. Rt. 45 at WCH V. SB U.S. Rt. 45 at the Fond du Lac/Washington County Line.