Wisconsin Highway 109
| Route information | ||||
|---|---|---|---|---|
| Maintained by WisDOT | ||||
| Length | 19.24 mi (30.96 km) | |||
| Existed | 1923–1998 | |||
| Major junctions | ||||
| South end | WIS 67 west of Woodland | |||
| North end | WIS 16 in Watertown | |||
| Location | ||||
| Country | United States | |||
| State | Wisconsin | |||
| Counties | Jefferson, Dodge | |||
| Highway system | ||||
| ||||
State Trunk Highway 109 (often called Highway 109, STH-109 or WIS 109) was a 19.24-mile (30.96 km) state highway in southeastern Dodge County Wisconsin, United States, that ran north–south between Woodland and Watertown.