STH 26, Watertown

Transportation Design: Expressway / Freeway

USH 12, Dane County

KL Engineering, in a consortium with three other consultants, completed the design of a segment of USH 12 in northwestern Dane County. The segment expanded 4.5 miles of USH 12 from a two-lane rural roadway to a four-lane expressway. Extensive coordination with WisDOT, DNR, U.S. Army Corps of Engineers, property owners and local agencies was required to minimize impacts and manage access for this expressway conversion project. Preliminary structure investigations and design of rerouting of the waterway channel for construction of two structures over Roxbury Creek were part of the project design.

The design also included several rural intersections, a drainage analysis, traffic signals, park and ride lot, staged construction, right-of-way plat, an off-road multi-use path, and a Conceptual Constructability and Traffic Control Plan for the entire corridor. KL Engineering prepared a traffic analysis of 8 intersections along the 18-mile project corridor to recommend geometric layouts.

KL Engineering also completed the construction management of the STH 78 to CTH KP portion of the project. Construction of this $9.4 million dollar project was completed in 2005 as part of the expansion of USH 12 from Sauk City to Middleton.

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