What Are The Four Major Interstate Highways In Georgia?

What Are The Four Major Interstate Highways In Georgia? Six interstate highways—I-20, I-75, I-85, I-285, I-575, and I-675—help metropolitan Atlanta residents get where they need to go. How many interstate highways are in Georgia? Interstate Highways of the Georgia State Route System Formed August 14, 1957 Highway names Interstates Interstate nn (I-nn) State State Route