Interstate 43 North - Beloit to Milwaukee

WIS 81 ties into the beginning of Interstate 43 ahead at the exchange with I-39/90. I-39/90 travel in tandem south to Rockford, Illinois, before splitting to Chicago (I-90) and Bloomington (I-39).

05/06/10

A multi-year project started in 2019 replaces the existing cloverleaf interchange with a DDI, as well as a separate directional interchange between I-39/43/90.¹

05/06/10

I-39 was extended along I-90 between Rockford and Portage by 1992.

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Exit 1B loops away to I-39 north/I-90 west to Janesville and Madison.

05/06/10

I-43 travels along a 192 mile course to Milwaukee and Green Bay. The first six miles also serve as an alternate for I-39 traffic during conditions when the freeway is closed.

05/09/10

A dumbbell interchange (Exit 2) joins I-43 with Rock County X (Hart Road) 0.75 miles ahead. County X follows a pre-freeway alignment of former WIS 15 from Beloit to Delavan.

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Gateway Boulevard ties into Hart Road south of Exit 2. Hart Road arcs westward from I-43 to Rock County S (Shopiere Road).

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I-43 advances northeast 13 miles to Darien from Exit 2.

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WIS 140 extends 11.5 miles south from U.S. 14 near Emerald Grove to meet I-43 next.

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WIS 140 travels south from the diamond interchange (Exit 6) with I-43 to Clinton. Alternate I-39 also leaves the freeway to follow WIS 140 north to U.S. 14 west.

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Interstate 43 proceeds east from Exit 6 through the farmlands of rural Rock County.

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U.S. 14 (Exit 15) joins I-43 with Darien eight miles ahead.

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11 miles in, Interstate 43 north enters Walworth County.

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U.S. 14 meets I-43 at a diamond interchange (Exit 15) in one mile northwest of the village of Darien.

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Whitewater lies 16.8 miles to the north of I-43 at the crossroads of U.S. 12 and WIS 89.

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Pulling away from U.S. 14 (Exit 15), I-43 passes under Wisconsin Street.

05/09/10

A folded diamond interchange (Exit 17) between I-43 and Walworth County X is the first of two interchanges to serve Delavan one mile ahead.

05/09/10

County X (Beloit Street) angles 1.1 miles northeast from Exit 17 to its end at WIS 11.

05/09/10

Interstate 43 spans a railroad line ahead of the Elm Ridge Road overpass on the ensuing stretch around Delavan.

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The freeway recurves northeast one mile ahead of WIS 50 (Exit 21). WIS 50 connects Darien with Kenosha along a 44.4 mile course.

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I-43 north travels beneath Borg Road ahead of the diamond interchange (Exit 21) with WIS 50. Borg Road extends south along a linear course to Delavan Lake.

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WIS 50 begins at WIS 11 east of downtown Delavan, meeting I-43 ahead of Inlet. The state trunk highway continues southeasterly to Lake Geneva near Lake Como and Geneva Lake.

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Interstate 43 advances five miles from Delavan to Elkhorn next.

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I-43 bends northeast one mile ahead of WIS 67 (Exit 25) to Elkhorn. WIS 67 originates at U.S. 151 in northeast Manitowoc County and proceeds along a 160 mile stair stepped course south and west through the Badger State to IL 75 near Beloit.

05/09/10

WIS 67 (Lincoln Street) meets I-43 beyond central Elkhorn at a diamond interchange (Exit 25). The state trunk highway beelines 5.4 miles south to the village of Williams Bay.

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A cloverleaf interchange (Exit 27) with U.S. 12 follows in 0.75 miles along northbound I-43.

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U.S. 12 angles southeast along a freeway from Exit 27A to Lake Geneva. The freeway portion of U.S. 12 concludes ahead of the Illinois state line at Genoa City.

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U.S. 12 continues from Exit 27B along a freeway two miles northwest to a merge with WIS 67 north to Whitewater and Madison.

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I-43 reassurance marker posted after U.S. 12 (Exit 27AB). WIS 11 to Burlington follows next.

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WIS 11 spokes northeast from Elkhorn to Interstate 43 one half mile ahead. WIS 11 overall travels 157.6 miles across southern Wisconsin between U.S. 61/151 in Grant County and WIS 32 in Racine.

05/09/10

Downtown Burlington is located 12.2 miles east of the diamond interchange (Exit 29) with I-43.

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Interstate 43 advances 4.1 miles northeast to Bowers Road (Exit 33).

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The freeway crosses into Waukesha County ahead of Mukwonago 16 miles ahead as Milwaukee is a 43 mile drive.

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Only one set of rest areas line Interstate 43 between Beloit and Milwaukee, occurring one mile ahead.

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The I-43 mainline separates ahead of the northbound rest area and Sugar Creek crossing as the freeway travels though hilly terrain.

05/09/10

Opened to motorists in 1974, Rest Area 35 is located between the two tributaries of Sugar Creek near mile post 31 along I-43 north.

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Bowers Road extends north to the town of Troy three quarters of a mile ahead.

05/09/10

Walworth County D spans the freeway ahead of the departure ramp to Bowers Road (Exit 33). Overall Bowers Road connects I-43 with WIS 11 and 20.

05/09/10

This confirming marker stands along I-43 northbound beyond Exit 33 (Bowers Road).

05/09/10

WIS 120 ties into I-43 at a diamond interchange (Exit 36) in one mile. WIS 120 is the first of two state trunk highways to serve East Troy.

05/09/10

WIS 120 (Church Street) extends south 0.8 miles to I-43 on the south side of East Troy. The state trunk highway continues south to Lake Geneva and Hebron, Illinois as IL 47.

05/09/10

Interstate 43 lines the eastern limits of East Troy on the 0.75 mile approach to WIS 20 (Exit 38).

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WIS 20 branches eastward from U.S. 12/WIS 67 to Adam and East Troy. Beyond I-43, WIS 20 passes south of East Troy Airport (57C) along an easterly course to Waterford.

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Within the limits of East Troy, WIS 20 overlays North Street. Waterford lies 9.5 miles east of the diamond interchange (Exit 38).

05/09/10

Interstate 43 continues northeast 4.5 miles to WIS 83 (Exit 43) near Mukwonago.

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I-43 and WIS 83 come together at a diamond interchange (Exit 43) southeast of Mukwonago in one mile. The village of Mukwonago is located to the east of Lower Phantom Lake.

05/09/10

I-43 enters Waukesha County ahead of WIS 83 to Mukwonago. WIS 83 is part of a multi-state route (MSR), joining with IL 83 near Anitoch.

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I-43 north advances six miles to WIS 164 next.

05/09/10

WIS 164 joins Interstate 43 in one mile with Waukesha to the north and Waterford to the south.

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WIS 164 (Big Bend Road) consists of a divided highway between I-43 and WIS 59 near Waukesha. Big Bend is located 2.4 miles south of the diamond interchange. Work completed by 2013 expanded the bridges over WIS 164 for future I-43 widening.

05/09/10

Waukesha County Y meets I-43 north in three miles. Downtown Milwaukee is located 21 miles from this point.

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Northbound Interstate 43 enters the limits of New Berlin ahead of the Crowbar Road crossing.

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Waukesha County Y (Racine Avenue) travels northwest from I-43 to Waukesha one mile ahead.

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A dumbbell interchange (Exit 54) joins Interstate 43 and County Y (Racine Avenue) north of the city of Muskego.

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The stretch of I-43 between County Y (Exit 54) and the merge with I-41/894 is known as the Rock Freeway.

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Moorland Road (Waukesha County O) ties into Interstate 43 one mile ahead, connecting the freeway with Brookfield to the north.

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Big box retail lines County O (Moorland Road) on either side of the exchange with Interstate 43. Moorland Road travels south to northeastern reaches of Muskego.

05/09/10

A ground level guide sign directs motorists to the upcoming left exit with Layton Avenue (Exit 59) one mile ahead. Layton Avenue serves as the connection between I-43 northbound and WIS 100 (108th Street). WIS 100 forms an L-shaped route across southern and western suburbs of Milwaukee.

05/09/10

A wye interchange (Left Exit 59) joins I-43 north with Layton Avenue eastbound. Layton Avenue extends across lower Greenfield and Milwaukee to WIS 32 (S Lake Drive) opposite Sheridan Park.

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I-43 travels under S 116th Street 1.25 miles out from the Hale Interchange with I-41-894/U.S. 41-45 and U.S.41/45. I-41 was added to the Wisconsin Interstate system by mid-2015 and overlays U.S. 41 between Green Bay and Illinois.
This guide sign was replaced to include I-41 along the Airport and Zoo Freeways by August 2015.

05/09/10

I-894 follows a 9.92 mile loop from I-94 near Wilson Park west and north to I-94 near the Milwaukee County Zoo along the Airport and Zoo Freeways, tying into I-43 at the Hale Interchange. U.S. 45 joins I-41/894 north along the Zoo Freeway while I-43 proceeds along the Airport Freeway with I-41/894 east.

05/09/10

Motorists depart left for I-41/894 to the Zoo Freeway as a single lane ramp shuttles I-43 traffic from the Rock Freeway to the Airport Freeway. I-43 continues along the Airport Freeway to its merge with I-94 north to Downtown Milwaukee.
Mitchell International Airport (MKE) is located southeast of the Mitchell Interchange with I-41/43/94/894.

05/09/10