Wisconsin Highway 26

WIS 26 begins in downtown Janesville, Rock County at US 51 (North Parker Drive), and follows East Centerway Street, to turn northeast on Milton Ave.[2] WIS 26 crosses US 14 and I-39 / I-90 on the northeast side of the city. WIS 26 is a divided highway with a few freeway bypass sections from Janesville to WIS 60 for about 50 miles. WIS 26 goes 5 miles north of the I-39/I-90 before bypassing Milton to the east. WIS 59 crosses WIS 26 in Milton. WIS 26 crosses over to Jefferson County about five miles (8 km) north of Milton.[3] The highway turns northeast at the county line and approaches Fort Atkinson, but turns northwestward prior to entering the city, and bypasses it to the west with 4 exits to serve Fort Atkinson. Direct access is provided to WIS 106 and US 12. WIS 89 crosses the route, but no direct access is provided. WIS 26 then continues north for 2 miles (6 km) to Jefferson, where WIS 26 bypass the city to the west. It has 3 exits serving Jefferson including one at US 18. The highway passes through Johnson Creek at the interchange with I-94. About 4 miles north of I-94, WIS 26 bypasses Watertown to the west as the highway crosses into Dodge County.[4] The bypass has 3 exits serving Watertown including at WIS 19 and WIS 16.

On the Dodge County side of Watertown, WIS 26 and WIS 16 run a concurrency for 8 miles (13 km) to near Clyman where WIS 16 exits at WIS 60. WIS 26 goes into Juneau then crosses WIS 33 three miles (5 km) north of Juneau. After eleven more miles, WIS 26 crosses US 151 and passes through Waupun. WIS 26 joins US 151 crosses into Fond du Lac County at its junction with WIS 49 in Waupun.[5] WIS 26 joins US 151 for one mile (1.6 km) then turns north off the US route. After ten miles (16 km), the highway crosses WIS 23 in Rosendale. The highway then angles northeastward over the remaining seven miles (11 km) before entering Winnebago County[6] Four more miles into the county the route terminates at its interchange with Interstate 41/US 41 on the far southwest side of Oshkosh, about two miles (3 km) south of the Wittman Regional Airport, site of EAA AirVenture Oshkosh.[7]

The original 1917 alignment of WIS 26 mostly followed the current alignment south of Juneau, but the segment north of Juneau was directed towards Theresa. 1921 saw WIS 26 extended via Kewaskum and Waldo to end at Sheboygan - via present-day Wisconsin Highway 28.[8] In 1924, the route was realigned. From Juneau, it followed its present alignment to US 41 and into Oshkosh, then continued north from that point along present day WIS 76 up to Greenville, turning westward onto present-day WIS 15 there to continue to New London.[9] From there, the route followed present-day US 45, passing through Clintonville, Wittenberg, Antigo and Eagle River. The route connected with then M-26.[10] WIS 26 was also concurrent with WIS 10 south of Janesville. 1934 saw the debut of US 45, which replaced WIS 26 from Oshkosh northward. The route was truncated on the southern end to end at Janesville in the late 1940s.[1]

Four bypasses were constructed for WIS 26 - around Milton to the east in 2013-14, around Fort Atkinson to the west in the 1990s, around Jefferson to the west in the 2000s, and around Watertown to the west in 2012-14.[1]

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