After an extensive review process, Kiewit-Fann Joint Venture has been selected as the preferred developer. Key members of the development team include Kiewit Infrastructure West Co.; Fann Contracting Inc.; Kiewit Engineering Group Inc.; DBI Services LLC; CONSOR Engineers LLC dba Apex Design; T.Y. Lin International; Lee Engineering; Terracon Consultants Inc.; Wheat Design Group, Inc.; Y2K Engineering; and Pinyon Environmental Inc.
For years, Arizona motorists, businesses, and tourists have voiced their support for widening and improving I-17 north of the metro-Phoenix region to alleviate congestion and improve traffic flow. This project will improve 23 miles of I-17, including 15 miles of roadway widening, two bridge replacements, one bridge deck replacement, 10 bridge widenings, and the installation of an eight-mile flex lane system — a new feature for Arizona’s highway system.
ADOT sought proposals from qualified developer teams interested in reconstructing the 23-mile section of this key commerce corridor. Three finalists were selected earlier this year to advance through the selection process. All three finalists were encouraged to use innovation and develop alternative concepts to deliver the best possible design, construction, operation, and maintenance strategy for the project.
ADOT has begun contract negotiations, and, pending a final contract, anticipates design and construction will begin in 2022. Construction is expected to take approximately three years. Construction crews are aiming to minimize impacts to the traveling public while work is underway. On busy days, this stretch of Interstate 17 can see more than 50,000 drivers a day.
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“The vision of the Arizona Department of Transportation is moving Arizona to become the most reliable transportation system in the nation,” said ADOT Director John Halikowski. “The I-17 project represents that vision and is a profound step toward enhancing the safety and efficiency of one of Arizona’s most iconic highways. ADOT is committed to innovative solutions to improve our highways, and this unique and creative project is a perfect example.”
The I-17 flex lanes will operate as a separate, two-lane roadway carrying one direction of traffic at a time depending on the greatest need along the steep, winding eight miles between Black Canyon City and Sunset Point. For example, the flex lanes will be able to carry heavier northbound traffic on a Friday or heavy southbound traffic on a Sunday. Similarly, ADOT will be able to open the flex lanes to accommodate traffic anytime if a crash or other incident causes long delays. The flex lanes will be next to, but physically separated from southbound I-17 using concrete barriers. Access to the flex-lane entrances will be controlled by gates.
