Wisconsin Highway 109

State Trunk Highway 109
Route information
Maintained by WisDOT
Location
Country	United States
State	Wisconsin
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 108 → WIS 110

State Trunk Highway 109 (often called Highway 109, STH 109 or WIS 109) was a state highway in the U.S. state of Wisconsin. It ran north–south between Woodland and Watertown. The road was turned over to Dodge County, which now maintains it as County Highway R, in 1998.