Dec 20, 2019 9:30 AM ETTweet This: The first solar road in the U.S. just got an upgrade. The #Wattway solar road by @GroupeColas @ColasUSA is on @TheRayHighway. The road multitasks, providing a safe surface for traffic and a new land opportunity for generating clean, renewable energy. http://bit.ly/2MdsO79Summary: The Ray, the Georgia Department of Transportation (Georgia DOT), and international infrastructure innovator Colas have unveiled an upgraded version of the Wattway solar road at the Visitor Information Center located at Exit 1 on Interstate 85 in Southwest Georgia. Press ReleaseFirst U.S.