Interstate 94 from Illinois Route 22 to Illinois Route 60

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Owner: Illinois State Toll Highway Authority
Location: Illinois

IEI is providing Phase II design engineering services for the Interstate 94 Tollway Improvement project, which is south of Illinois Route 22 to north of Illinois Route 60. The scope of work consists of mainline pavement reconstruction and adding a fourth lane in each direction. The ramps at Illinois Route 22 and Illinois Route 60 will be partially reconstructed to accommodate the mainline widening. The construction on Interstate 94 Tollway will be completed in two phases, first on the southbound lanes and then on the northbound lanes.

IEI was responsible for all Phase II design activities including overhead signage plans and the structural foundation design for 11 locations, barrier warrant analysis, temporary erosion control and landscaping.