Highway J Citizens Grp. v. U.S. Dep't of Transp.

Easterbrook, Circuit Judge.

Wisconsin proposes to renovate a 7.5-mile stretch of Highway 164 (formerly known as Highway J), a two-lane road in southern Washington County. It was built in the 1960s with 5 to 6.5 inches of asphalt, a pavement expected to last 22 years, and resurfaced in 2000 with another 2.5 to 3.5 inches, expected to extend the road's life by 12 years. The new project entails repaving, reconstruction near hill crests where drivers cannot see approaching traffic, widening the lanes, making the shoulders flatter and two feet wider, improving sight lines, updating guardrails,…