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

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

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

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

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

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 ...

The northbound lanes of Interstate 19 near Nogales are closed due to a crash at kilometer 12, according to the Arizona ...