FAI 90/94 IDOT PTB 107/006
Cook County, Illinois
Illinois Department of Transportation (IDOT)
DLZ provided complete engineering design of 1.0 mile of I-90/94 in Cook County. I-90/94 is a multi-lane freeway in an urban area. The project has included three separate sets of contract documents. The ultimate improvement will include the resurfacing of the existing six-lane highway to accommodate the removal and replacement of exit and entrance ramps.
DLZ also provided engineering design services for a new storm sewer, retaining walls, complicated staged construction, and overhead sign structure plans.
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