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

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

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.

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 ...

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

Mexico erected sprawling tents on the US border as it braced for the effects of Donald Trump’s mass deportation drive ...

Foes of a plan to construct a new interstate highway — including a segment that could go through environmentally sensitive portions near Tucson — have won a temporary reprieve.

Foes of a plan to construct a new interstate highway — including a segment that could go through environmentally sensitive ...

The Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a petition against Hermosa Mine.

The active duty forces will join the roughly 2,500 US National Guard and Reserve forces already there. There are currently no ...

For up-to-date road restrictions from the Arizona Department of Transportation, check az511.gov. Here's what to know about Tempe road restrictions and transit impacts. Mill Avenue will be closed ...