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Featured Design Projects |
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Freeway Interchanges
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IH-94 and CTH KR Interchange, Racine and Kenosha Counties, Project ID: 1035-03-00/01
This interchange reconstruction of I-94 and CTH KR is necessary to eliminate numerous geometric deficiencies and safety hazards. These deficiencies include: braided ramps and frontage roads; undivided crossroad through the interchange; substandard deceleration lane lengths and tapers along the northbound and southbound I-94 exit ramps and deficient underpass bridge clearance. This project is part of the I-94 Corridor reconstruction from the Illinois State Line to the Mitchell Interchange in Milwaukee.
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Planning/Corridor Studies
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STH 33: USH 12 to CTH H, Corridor Long Range Plan, Sauk County, Project ID: 5050-02-00
DAAR Engineering is performing work necessary to develop a corridor long range plan for STH 33 in Sauk County, from USH 12 to CTH H. The need for this project stems from local comprehensive plans and traffic forecasts having identified this corridor as having potential capacity and safety issues in the future due to projected commercial, industrial and residential growth. The long range plan will emphasize the major components of operations and access as needed to ensure future acceptable levels of overall corridor functionality, level of service ratings, and safety.
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Structures
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WisDOT Southeast Region and Milwaukee County, I.D. 2120-08-00, CTH OO (Forest Home Avenue), Milwaukee County
Design Services bridge replacement project in the main business district in the Village of Hales Corners. The existing bridge concrete slab was poorly deteriorated with over twenty percent of delaminations including large areas of exposed corroded reinforcing steel at the underside. Due to the type of the existing structure (concrete rigid frame), it was more economical to replace the structure than to rehabilitate it. This project involved rehabilitating structure approaches; traffic detours; public involvement; extensive environmental coordination including hazardous materials investigation, wetland impact mitigation and permits; pavement design; and utility coordination. This project included extensive coordination between DAAR, WisDOT, and Milwaukee County.
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Urban & Rural Highways
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WisDOT Southeast Region, I.D. 2230-13-00, STH 59 (Greenfield Avenue), Milwaukee County
Design Services for the Hazard Elimination Safety Program, urban reconditioning project in the City of West Allis. This section of 4-lane divided roadway has the third highest traffic volume among State highways, and it had a crash rate over double that of other urban highways. Left turn movements accounted for approximately half of all crashes along this segment. This project included numerous median modifications such as addition of left turn bays, closing hazardous median openings, and modifying auxiliary lanes at 3 signalized intersections. Initially, the community was opposed to some of the median modifications and it appeared difficult to garner informed consent for the project. However, extensive public information activities, cooperation with local officials, and careful consideration of public comments resulted in plan changes to effectively meet the needs of all shareholders involved.
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STH 120 (STH 36 – O’Leary Lane), Walworth County, Project ID: 3180-05-00/70
Design Services for a 9-mile resurfacing project in the Towns of East Troy, Lyons, Spring Prairie, and Geneva. The project involves repairing the base as necessary and resurfacing the roadway; upgrading the existing beam guard; intersection improvements at STH 11/STH 120; DNR coordination; utility coordination; public involvement coordination; culvert replacement as needed; and installation of a living snow fence. Bicycle accommodations will be coordinated with the Town of Lyons and Walworth County for the White River State Trail crossing STH 120 near the Town of Springfield. Extensive coordination with Alpine Valley for traffic control and construction staging is a key element in the design process and is important for the success of the project.
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