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 ...

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

A Tucson man is dead after a boating accident at Lake Talkalai near the San Carlos Reservation. His family is speaking out ...

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

The Sonoran Desert, known for its arid condition, is equally unique and has been dubbed the “lushest desert on earth” because ...

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