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The proposed freeway would run from Wickenburg to Nogales and has been subject to lawsuit filed by a conservation group.
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Planning for a new interstate through southern Arizona has been put on hold. 280 miles of highway between Nogales and Wickenburg expanding Interstate 11 had been proposed by federal and state transportation agencies,
In response to a lawsuit from conservation groups, the Federal Highway Administration and Arizona Department of Transportation have agreed to halt planning activities and reevaluate their approval of Interstate 11.