The largest highway interchange in Arizona—a five-tiered structure soaring more than 90 ft into the desert sky—is being constructed by Pulice Construction along the fringe of the Phoenix metropolitan area between Interstate 10 and the Loop 303.
But the height isn't the primary reason that the project is considered to be big. In fact, the height of the columns is comparable to most other five-tier traffic interchanges. It's the project's footprint, including frontage roads, that will make it the largest full-system interchange in the state, says Andrew Baird, project engineer with Phoenix-based Aztec Engineering.