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Arizona Gov. Doug Ducey, left, applauds after unveiling a highway sign commemorating the 100th anniversary of the Grand Canyon’s designation as a national park alongside, from second left, Arizona Department of Transportation Director John Halikowski, state parks director Bob Broschied and Arizona Office of Tourism Director Debbie Johnson Feb. 27 in Phoenix. Forty of the the Grand Canyon signs will be placed on highways around the state. (AP Photo/Jonathan J. Cooper)

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Arizona highway signs honor Grand Canyon’s 100th anniversary

Memorial signs to be placed around the state

Arizona will install 40 highway signs around the state commemorating the 100th anniversary of the Grand Canyon’s designation as a national park.