The highway then meanders north, passing through Aubrey, Ithaca, and Neptune.

Continuing north, it passes through Loyd, Cazenovia, Ironton, and La Valle.

Just west of the Yellow River, the highway ends at WIS 80 south of Necedah.

That same year, its southern terminus moved slightly to the west, avoiding Sextonville.

This time, it was extended northward to WIS 80 south of Necedah, superseding County Trunk Highway Q (CTH-Q).