Wisconsin Highway 51 Explained

State:	WI
Type:	WI 1919
Route:	51
Established:	1918
Deleted:	1926
Previous Type:	US
Previous Route:	51
Next Type:	WI
Next Route:	52

State Trunk Highway 51 (often called Highway 51, STH-51 or WIS 51) was a number assigned to two different state highways in the U.S. state of Wisconsin:

• Highway 51 from 1917 to 1923, along the current route of U.S. Highway 63 from Turtle Lake to Spooner.
• Highway 51 from 1923 to 1936, currently routed as Highway 72 from Ellsworth to Downsville.
• For the highway in Wisconsin numbered 51 since 1926, see U.S. Highway 51.