The rail line, which is expected to link Phoenix to Tucson, received assent from the Federal Railroad Administration in June.

People living in the city of Maricopa rely on State Route 347 south of Phoenix. Commuters say the narrow highway connecting ...

Options for a new interstate in Arizona were presented to a packed audience Wednesday during the first public hearing on the proposed Interstate 11. Project engineer Jay Van Echo said the goal of ...

The Arizona Department of Transportation approved a five-year plan to pay for a new freeway, State Route 30, in the West ...

A prominent economic-environmental group has given the proposed Interstate 11 through Arizona a conditional green light, signaling growing acceptance of an ambitious project that was little more ...

Arizona highway workers are installing signs designating 63 miles of roadway as high-profile "Safety Corridors" in which state troopers will practice zero-tolerance enforcement.

The interstate stretches across the entirety of southern Arizona in its nearly 2,500 mile (4,023 kilometer) coast-to-coast sweep from Santa Monica, California, to Jacksonville, Florida.