Roads of the Mid-South & West > Highways of the State of Wisconsin > Interstate 39, Wisconsin


Interstate 39 is Wisconsin's newest interstate. This highway was extened from it's old ending point at Rockford, IL to now end at Wausau, WI. In coming years, I-39 could be extened further north in the state. In 1999, I-39 was extened into Wisconsin to it's current end point at Wausau.

While in Wisconsin, I-39 is multi-plexed.

I-39 is multi-plexed with...

...Interstate 90, from the Illinois/Wisconsin State Line to near Portage.

...Wisconsin State Route 11, at Janesville.

...U.S. Rt. 51, near Albion.

...Interstate 94, from Madison to near Portage.

...U.S. Rt. 51, from Portage to Wausau.
...Wisconsin State Route 23, from near Packwaukee to near Endeavor.

Interstate 39 intesects the following interstates in Wisconsin.

Interstate 43, at Beloit.

The first BGS on NB I-39/WB I-90.

One mile BGS on NB I-39/WB I-90.

NB I-39/WB I-90 at I-43.
Interstate 94, at Madison.

A BGS on SB I-39; EB I-90/94 south of U.S. Rt. 151.

SB I-39; EB I-90/94 near the split of EB I-94 at Madison.

SB I-39/EB I-90 at their split from EB I-94.

Interstate 90, near Portage.
Interstate 94, near Portage.

A BGS on NB I-39; WB I-90/94.

A one mile BGS on NB I-39; WB I-90/94.

NB I-39; WB I-90/94 near Portage.

NB I-39; WB I-90/94 near the split with I-39.

NB I-39 at the split with WB I-90/94.

A BGS on SB I-39.

SB I-39 near I-90/94.

SB I-39 at I-90/94.

SB I-39 at WB I-90/94.

There are no branches of I-39 in Wisconsin.


SB I-39/EB I-90 near the Illinois/Wisconsin State Line.

NB I-39/WB I-90 near Beloit.

Milage sign on NB I-39/WB I-90.

NB I-39/WB I-90 at U.S. Rt. 14 in Janesville.

SB I-39; EB I-90/94 near Madison.

A BGS on SB U.S. Rt. 151.

NB I-39; WB I-90/94 near Arlington.

A guide marker near WI St Rt 78 southwest of Portage.

A guide marker on NB I-39.

A junction marker on WB WI St Rt 33.

NB I-39 southwest of Portage.