U.S. Federal Route 45 is a north-south highway in Eastern and North-Central Winnebago County. It runs from the Fond du Lac/Winnebago County Line, near Van Dyne, to the Winnebago/Outagmie County Line, northwest of Winchester. U.S. Rt. 45 passes through the following towns in Winnebago County. Oshkosh
A BGS on SB I-41/U.S. Rt. 41. NB U.S. Rt. 45 at I-41/U.S. Rt. 41. NB U.S. Rt. 45 south of I-41/U.S. Rt. 41. NB U.S. Rt. 45 north of WI St Rt 21. A junction marker on SB U.S. Rt. 45. NB U.S. Rt. 45 at New York Ave. in Oshkosh. NB U.S. Rt. 45 at WI St Rt 44. SB U.S. Rt. 45 south of Jackson Street in Oshkosh. SB U.S. Rt. 45 south of Division Street in Oshkosh.