Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled ...

Interstate 10 appeared three times in a list of the top 10 most dangerous U.S. highways, with five Arizona freeway sections included on the list.

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 ...

The Petrified Forest and Painted Desert are uniquely Arizona road trip destinations. Here's why it's worth the drive and what to see along the way.

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A live-updating map of novel coronavirus cases by zip code, courtesy of ESRI/JHU. Click on an area or use the search tool to enter a zip code. Use the + and - buttons to zoom in and out on the ...