Arizona transportation officials are announcing new safety measures to help keep drivers from going the wrong-way.

Arizona transportation officials say a new system is to blame for some people getting the wrong picture on their driver's permit.

Arizona’s spending on alternative fuels for its vehicle fleet continues to be relatively small even though the fleet is almost entirely capable of using such fuels.

WASHINGTON – Despite a possible shortfall in the federal highway trust fund, the Arizona Department of Transportation does not anticipate delays of any current or scheduled projects this summer, a spokeswoman said.

WASHINGTON – Supporters of the proposed Interstate 11 met Wednesday in Washington where they expressed optimism about the future of the long-discussed highway that could link Phoenix and Las Vegas – and possibly beyond. The informal meeting of Arizona and ...

A jeweler based in Tucson, Erik Stewart makes regular drives two hours up Interstate 10 to do business in Phoenix. If a high-speed rail line connected the cities, he said he’d use it.

A federal judge on Wednesday ordered Gov. Jan Brewer's office to turn over some internal documents about its policy of denying drivers' licenses to people who were brought into the country illegally as children but allowed to stay under a new federal program.

If generally accepted predictions of global warming come to pass, Arizona’s transportation system will have to adapt due to stronger dust storms, snowfall, flooding, forest fires and other factors, experts say.

Barely an hour before the crash Tuesday afternoon, Sen. Steve Farley, D-Tucson, participated in a contentious and successful attempt to overthrow a Democratic leader. But sitting still in the middle of a freeway on his way back to Tucson, with his hands behind the wheel and with zero visibility, Farley thought how inconsequential the morning’s political drama had been against the tragedy that unfolded before him.

The iArizona Committee is headed by Mesa Mayor Scott Smith and backed by a broad coalition of local politicians, construction contractors and business interests. Their ultimate goal is to boost Arizona’s economy and status as a transportation hub connecting Los Angeles, Dallas and Mexico, as well as linking Arizona’s manufacturing and economic hubs to one another.