An Employee-Owned Company | © 2018 Kleinfelder. All rights reserved. Kleinfelder provided construction materials sampling and testing, materials quality assurance (QA) program management, and laboratory testing for the $1.4 billion State Route 4 (SR-4) Highway Widening and Interchanges Project. The Project covered about 20 miles of highway and roadway, broken into seven segments and nine interchanges, with work being performed concurrently on several individual contracts. MULTIFACETED PROJECT INVOLVING SEVERAL STAKEHOLDERS In addition to bypassing the old SR-4 alignment, the widening project included 27 bridges and culverts, on/off ramps, street improvements, drainage facilities, earth slope excavation and re-construction, CMU sound and retaining walls, a water treatment plant co

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