RENOVATING ONE OF THE WORLDʼS BUSIEST AIRPORTS IS REPLETE WITH ENGINEERING CHALLENGES, SUCH AS HOW TO CIRCUMVENT THE AREAʼS OVERBURDENED ROADWAYS.

To turn New York City’s outmoded Kennedy Airport into a collection of gleaming, modern terminals connected by smooth, untangled roadways, you must start with one of nature’s most basic building blocks: tons and tons of rocks.