The newest signed interstate in the country is Interstate 14, which just began to receive its official signage on April 22, 2017. Although there have been talks of extensions, I-14 currently runs just 26 miles between the cities of Copperas Cove and Belton. This stretch of road most prominently serves what Texas-located U.S. Army installation, the largest military base in the world by area?
FORT HOOD