The highway begins at its intersection with
WIS 58 north of the community of
Neptune and follows a northeasterly path from it. After a short
concurrency with County Trunk Highway G (CTH-G), it passes through
Hill Point and continues east until it reaches
Loganville. In Loganville, the highway becomes concurrent with
WIS 23 and heads northwards. After , the concurrency ends and the highway heads eastwards, passing through Wiedman Memorial Park and intersections with CTH-CH and CTH-D before terminating in
Rock Springs at its intersection with
WIS 136 and CTH-DD. File:WIS154EastTerminusRockSpringsWisconsin.jpg|Eastern terminus File:Wis-58 & Wis-154 junction.jpg|WIS 58/WIS 154 junction ==Major intersections==