It serves the communities of Grantsburg, Siren, Spooner, and the resort areas of Minocqua, Woodruff and Eagle River along its route.

The highway continues east from there, curving slightly south to avoid Mud Hen Lake before running northeast to meet WIS 35 in Siren.

The highway then curves north, intersecting with CTH-B, CTH-GG, and CTH-M south of the Chequamegon-Nicolet National Forest.

After exiting the wilderness, the highway continues east, intersecting and running concurrently with WIS 101 before terminating at US 2 in Florence.

[7] Between 1948 and 1956, the highway was extended east to Florence and the original section northeast of Eagle River had been redesignated as part of WIS 17.