Wisconsin Highway 188
WIS 188 highlighted in red  | ||||
| Route information | ||||
| Maintained by WisDOT | ||||
| Length | 11.88 mi (19.12 km) | |||
| Major junctions | ||||
| South end | US 12 in Sauk City | |||
| North end | WIS 113 in Merrimac | |||
| Location | ||||
| Country | United States | |||
| State | Wisconsin | |||
| Counties | Dane, Columbia | |||
| Highway system | ||||
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State Trunk Highway 188 (often called Highway 188, STH-188 or WIS 188) is a 11.88-mile (19.12 km) state highway in Dane and Columbia counties in south–central Wisconsin, United States, that runs north–south from near Sauk City to near Merrimac.