PHOENIX — The westbound lanes of Interstate 10 from Chandler to central Phoenix will be closed this weekend due to a traffic shift. The Arizona Department of Transportation said the closure will take ...

Interstate 10 heading into downtown Phoenix from the West Valley was closed briefly after a crash Wednesday morning.

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.

Rep. Greg Stanton has raised concerns about the potential withholding of $95 million in Bipartisan Infrastructure Law funds for the I-10 widening project.

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

Interstate 10 has reopened after it was closed for several hours Saturday morning following a deadly crash south of Queen ...

In response to a lawsuit from conservation groups, the Federal Highway Administration and Arizona Department of ...

The proposed freeway would run from Wickenburg to Nogales and has been subject to lawsuit filed by a conservation group.

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 ...

As Arizona’s Family reported, one of the threatened species is the cactus ferruginous pygmy owl, whose climate would be threatened as part of the highway’s construction.