New Arizona interstate plans put on hold after conservationists say it threatens Sonoran Desert

TUCSON, Ariz. (13 News) - Planning for a new interstate through southern Arizona has been put on hold. 280 miles of highway ...
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Arizona could erase interstate speed limits, with 1 major loophole

Arizona is testing the limits of how fast Americans can legally drive, with a proposal that would scrap daytime speed caps on long, empty stretches of interstate. The plan would make the state a ...
Center for Biological Diversity

Lawsuit Forces Agencies to Halt Arizona Highway Plan Threatening Monuments, Endangered Species

TUCSON, Ariz.— In response to a lawsuit from conservation groups, the Federal Highway Administration and Arizona Department of Transportation have agreed to halt planning activities and reevaluate ...