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Tucson Mayor Jonathan Rothschild addresses 200 people gathered Thursday at the Tucson Modern Streetcar groundbreaking ceremony at the University of Arizona's BIO5 Institute.

Transportation Secretary Ray LaHood and Mayor Jonathan Rothschild helped break ground on the Tucson Modern Streetcar on Thursday. Read more» 2

Even as they tell drivers to act responsibly and pay attention to the road, automakers are seeking to pump up sales by packing their new models with cutting-edge infotainment systems that encourage multi-tasking behind the wheel. Read more»

Secretary of Transportation Ray LaHood

After a 13-day partial shutdown of the Federal Aviation Administration, Congressional leaders came to an agreement that will end the impasse over a temporary funding bill and keep the agency running through Sept. 16. Read more»

A semi truck waits to cross the United States-Mexico border at San Luis, Ariz., in this file photo.

Mexican trucks subject to strict new safety measures will begin to move on U.S. highways, and Mexico will begin to lift tariffs on U.S. goods entering that country under an agreement signed Wednesday in Mexico City. Read more» 1

The midnight shift at Tucson's air traffic control tower won't be quite so lonely anymore. The FAA announced Wednesday that it will add an additional controller at Tucson International Airport and 26 others around the country. Read more»

Road construction in Scottsdale, 2008.

Think again: It should surprise no one to see that most in the mainstream media saw fit to treat the issue of America's decaying infrastructure as an almost purely political skirmish—cast exclusively in the narrative over the election-year fight over jobs. Read more»

Arizona travelers will have to hold it a little longer while the state works out its budget troubles.

With nearly 75 percent of Arizona rest stops closed, travelers – and politicians – are asking for help. Read more»

Whole lotta zeros - Transportation Secretary Ray LaHood signs a ceremonial check awarding $63 million to Tucson's streetcar project.

Tucson's modern streetcar project was awarded $63 million by U.S. Secretary of Transportation Ray LaHood on Thursday. The federal grant is a slice of a $1.5 billion federal transportation program. Read more»

Tucson's modern streetcar project will be awarded $63 million in federal stimulus money, say Reps. Gabrielle Giffords and Raúl Grijalva Read more»

Artist's rendering of Tucson's planned modern streetcar.

Transportation Secretary Ray LaHood is expected to announce Thursday that Tucson will get federal funds to extend the city's streetcar line. Read more» 1