State Trunk Highway 172

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An east-west route serving the Green Bay vicinity, Wis 172 originates as a rural two lane route in the village of Hobart. Traveling east from a roundabout with Wisconsin 54 and CTH E at Oneida, STH 172 heads to Austin Straubel International Airport (GRB), where it expands into a four-lane expressway. East from Packerland Drive (CTH EB), Wis 172 bisects residential areas of Ashwaubenon to a directional cloverleaf interchange with Interstate 41 (U.S. 41).

State Trunk Highway 172 Guides

The section of Wis 172 running east-west between Interstate 41 and 43 is a full freeway with four to six overall lanes. The state trunk highway crosses the Fox River into Allouez while en route to Bellevue and a three-wye interchange with I-43.

One year after the initial stretch of Wis 172 opened between U.S. 41 and Webster Avenue. 1976 Wisconsin Official Highway Map
The Green Bay Inset from the 1983-84 Wisconsin Official Highway Map showed completion of the STH 172 freeway in Fall 1984.

Wis 172 was assigned to a new freeway completed in 1975 between U.S. 41 in Ashwaubenon and CTH X (Webster Avenue) in Allouez. The route was extended east to Interstate 43 at Bellevue in 1984 and west over CTH GG (Airport Drive) to Wisconsin 54 by 1988.1