It meets the western terminus of County Trunk Highway F (CTF-F) before continuing north toward Belmont.

At the village's southern edge, the highway curves to the east, following CTH-G.

The road turns north at a junction with CTH-XX and heads through a residential area of Belmont as Mound Avenue.

It continues north through the village's downtown, crossing the Pecatonica State Trail and a creek.

The road continues northwest as CTH-G.[2][3] The entire route is in Lafayette County.