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It will take about two years to start construction on the $320 million project to widen 23 miles of Interstate 17 between Anthem Way and the Sunset Point Rest Area, according to the Arizona Department of Transportation. A portion of the project is to include eight miles of flex lanes between Black Canyon City and the Sunset Point, at a cost of $95.5 million. ADOT says those eight miles will be constructed beside the existing southbound lanes, separated by concrete barriers. They will run, … [Read more...] about ADOT Announces Plans to Widen I-17 North of Phoenix