State Trunk Highway 63 (often called Highway 63, STH-63 or WIS 63) was a
state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either Route number, numbered or maintained by a sub-national state or province. A road numbered ...
running between
Merrill and
Eagle River.
The highway is now part of
WIS 17.
References
{{reflist
63