Zoo Interchange basics
Built: 1963, as one of the first highway interstate projects in Wisconsin.
Project basics: Complete reconstruction of the I-894, U.S. 45 and I-94 approaches and the interchange core as a four-level system
interchange. The project also includes improvements to service interchanges at North Avenue, Watertown Plank Road, Bluemound Road, 84th Street, Highway
100 and Greenfield Avenue. Core reconstruction is scheduled to take place from 2015 through 2017. The north leg of the interchange (U.S. 45) is scheduled to be completed by the end of 2018.
Overall project cost: $1.7 billion
Project timeline: Completed by 2018
Number of vehicles that use the interchange daily: 350,000
Companies working on the project:
• Greenfield Avenue Bridge Project – Zignego
• Highway 100 project – Superwestern
• Glenview Avenue Project – Zignego
• Swan Boulevard Project – Zignego
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