| State Trunk Highway 128 | ||||
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| Route information | ||||
| Maintained by WisDOT | ||||
| Length: | 27.04 mi (43.52 km) | |||
| Major junctions | ||||
| South end: |
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| North end: |
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| Location | ||||
| Counties: | Pierce, St. Croix | |||
| Highway system | ||||
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State Trunk Highway 128 (often called Highway 128, STH 128 or WIS 128) is a state highway in the U.S. state of Wisconsin. It runs in north–south in northwest Wisconsin from near Elmwood to Forest.