County Trunk Highways (Wisconsin)
| County Trunk Highways | |
|---|---|
| Standard Wisconsin county trunk highway shields | |
| Highway names | |
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Highway X (US X) |
| State | (State Trunk) Highway X (STH-X or WIS X) |
| County: | (County Trunk) Highway X (CTH-X) |
| System links | |
County trunk highways (also called County Highway, CTH; for national mapping software/app consistency, CR, or County Road are also used) are highways maintained at the county level or below in the U.S. state of Wisconsin. Every county maintains its own county trunk highway system.