Constructions are starting a project to widen 4 miles of the U.S. 93 northwest of Phoenix, part of the freeway some consider ...

A new study is recommending several changes to Interstate 40 between Albuquerque and the New Mexico-Arizona state line.

Trains crossed over the Salt River Bridge for the first time, marking a new milestone as testing expands south toward the ...

A decision by President Trump to suspend already approved federal funds for some projects could set back plans to ease the trip between Phoenix and the rest of southern and ...