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.

Arizona Department of Public Safety has provided more information on what happened in Wednesday's fatal crash near Nogales.

NOGALES, Ariz. (KVOA) — Interstate 19 is shutdown in both directions after a fatal crash. Both directions of Interstate 19 ...

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 ...

Northbound I-19 has been closed by a deadly crash near Nogales. The road is closed near State Route 289 and drivers are being ...

Arizona is represented in the organization ... following Monday's Climate Mayor's announcement, the U.S. Department of Transportation pledged that "the City of Phoenix will receive $15 million ...