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

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 ...

FLAGSTAFF, Ariz. – Winter weather from a major coast-to-coast storm closed a major interstate and other state highways in northern Arizona on Friday morning. That comes as the state's Department ...

Federal and state transportation agencies will halt planning activities for a proposed 280-mile highway between Nogales and Wickenburg in response to a lawsuit brought by conservationists.