Length: 265.8 mi. Direction: south-north. Wisconsin Highway 73 (WIS 73 or State Trunk Highway 73) is a highway in the central part of Wisconsin that begins near Edgerton, and ends in Ingram. The road stretches across the counties of Dane, Columbia, Dodge, Green Lake, Marquette, Waushara, Adams, Portage, Wood, Clark, Taylor, and Rusk.
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