The proposed 516-mile "Desert Southwest Pipeline" would run west and north of El Paso, crossing parts of Texas, New Mexico, ...

The Transwestern Pipeline Company finalized agreements with SRP and APS to deliver natural gas to generating stations in Arizona.

Three passenger train routes now have stops in Arizona: the Southwest Chief, Sunset Limited and Texas Eagle. The Southwest ...

A new privately funded high-speed rail project, proposed by Delaware-based company AmeriStarRail, is projected to connect Los Angeles and New York with stops across northern Arizona.