In west Georgia, a humble 4-acre piece of land on the shoulder of Interstate 85 is buzzing with bees and soaking up the sun’s energy via 2,600 panels of solar power. This project is the brainchild of The Ray, a nonprofit created by the Ray C. Anderson Foundation.

A stretch of I-85 in southwest Georgia is a proving ground for technologies that could make such roadways ecologically sustainable. Allie Kelly,...

Eighteen miles of I-85 could be an on-ramp to the future. The Ray C. Anderson Memorial Highway, or The Ray, stretches from West Point to LaGrange....