Interstate 43, Wisconsin

Interstate 43, Wisconsin Roads of the Mid-South & West > Highways of the State of Wisconsin > Interstate 43, Wisconsin

Interstate 43

Interstate 43 is a north-south highway that spends about half its life going east-west. This route runs from Green Bay to Beloit, via. Milwaukee. Originally, plans were for either I-57 or I-794 to run from Chicago to Green Bay. While planning got staled and Interstate 43 was designated between Green Bay and Milwaukee. Later the highway was extended to Beloit.

In Wisconsin, I-43 is multi-plexed.

I-43 is multi-plexed with...
...U.S. Rt. 45, at Greenfield.

...Interstate 41, at Milwaukee.
...Interstate 894, at Milwaukee.

...U.S. Rt. 41, at Milwaukee.

...Interstate 94, at Milwaukee.

...Wisconsin State Route 32, from Milwaukee to near Port Washington.

...Wisconsin State Route 57, from Milwaukee to near Fredonia.

...Wisconsin State Route 32, from near Port Washington to near Cedar Grove.

...Wisconsin State Route 42, at Manitowoc.
...U.S. Rt. 10, at Manitowoc.

Interstates that I-43 crosses in Wisconsin.

Interstate 39, at Beloit.
Interstate 90, at Beloit.

NB I-39/90 at I-43.

NB I-43 at SB I-39/EB I-90.

NB I-43 at NB I-39/WB I-90.

A BGS on SB I-43 for I-39/90.

SB I-43 at NB I-39/WB I-90.

SB I-43 at SB I-39/EB I-90.
Interstate 41, at Milwaukee.
Interstate 894, at Milwaukee.

BGS on SB I-43/WB I-894 in Greenfield.

BGS on SB I-43/WB I-894.

SB I-43/WB I-894 at their split in Greenfield.

A BGS on NB I-41/U.S. Rt. 41; SB I-43; WB I-894.

NB I-41/U.S. Rt. 41; SB I-43; WB I-894 near the Hale Interchange.

Overhead guide markers on NB I-43/U.S. Rt. 45.

NB I-43/U.S. Rt. 45 at I-894.

Overhead sign on NB I-43.

A BGS on NB I-43 over one mile from I-894. (July, 2015)

NB I-43 near I-894. (July, 2015)

NB I-43 at I-894. (July, 2015)

A BGS over one mile from I-41/894 on NB I-43. (September, 2022)

NB I-43 near I-41/894. (September, 2022)

NB I-43 at I-41/894. (September, 2022)
Interstate 41, at Milwaukee.
Interstate 94, at Milwaukee.
Interstate 894, at Milwaukee.

NB I-43/I-894 near I-94 in Milwaukee. (Dec. 2002)

NB I-43 at I-94 in Milwaukee. (Dec. 2002)

BGS on NB I-43/EB I-894. (Sept. 2003)

Overhead sign on NB I-43/EB I-894. (Sept. 2003)

NB I-43/EB I-894 at I-94/U.S. Rt. 41. (Sept. 2003)

SB I-43/EB I-94 one mile from I-41/894; U.S Rt. 41. (July, 2015)

A BGS one mile from the Mitchell Interchange on SB I-41/U.S. Rt. 41; NB I-43; EB I-894. (September, 2022)

SB I-41/U.S. Rt. 41; NB I-43; EB I-894 near the Mitchell Interchange. (September, 2022)

SB I-41/U.S. Rt. 41; NB I-43; EB -894 before the Mitchell Interchange. (September, 2022)

SB I-41/U.S. Rt. 41; NB I-43; EB -894 at the Mitchell Interchange. (September, 2022)

SB I-43/EB I-94 under one mile from I-41/894; U.S. Rt. 41. (July, 2015)

SB I-43/EB I-94 near I-41/894; U.S. Rt. 41. (July, 2015)

SB I-43/EB I-94 at I-41/894; U.S. Rt. 41. (July, 2015)

A BGS on SB I-41/U.S. Rt. 41; NB I-43; EB I-894 over one mile from I-94. (July, 2015)

A BGS on SB I-41/U.S. Rt. 41; NB I-43; EB I-894 one mile from I-94. (July, 2015)

SB I-41/U.S. Rt. 41; NB I-43; EB I-894 under one mile from I-94. (July, 2015)

SB I-41/U.S. Rt. 41; NB I-43; EB I-894 near I-94. (July, 2015)

SB I-41/U.S. Rt. 41; NB I-43; EB I-894 at I-94. (July, 2015)
Interstate 94, at Downtown Milwaukee.

NB I-43 at WB I-94. (July, 2015)
Interstate 794, at Downtown Milwaukee.

NB I-43, WB I-94 near I-794 in Downtown Milwaukee. (DEC. 2002)

BGS on NB I-43/WB I-94/NB U.S. Rt. 41. (Sept. 2003)

NB I-43/WB I-94/NB U.S. Rt. 41 near I-794. (Sept. 2003)

NB I-43/WB I-94/NB U.S. Rt. 41 at the Marquette Interchange.

A BGS two miles from I-794 on NB I-43/WB I-94. (July, 2015)

NB I-43/WB I-94 three quarters of a mile from I-794. (July, 2015)

NB I-43/WB I-94 a quarter mile from I-794. (July, 2015)

NB I-43/WB I-94 at I-794. (July, 2015)Interstate 41, at Howard.

A BGS for I-41 on NB I-43. (August, 2021)

NB I-43 near I-41. (August, 2021)

NB I-43 before I-41. (August, 2021)

NB I-43 at I-41. (August, 2021)

There are no branches on I-43 in Wisconsin.
Photos of Interstate 43 as it travels through Wisconsin.
Select A Section of I-43.

4 August 2023