Interstate 16 (I-16), also known as Jim Gillis Historic Savannah Parkway is an intrastate Interstate Highway located entirely within the U.S. state of Georgia. It carries the hidden designation of State Route 404 (SR 404) for its entire length. I-16 travels from downtown Macon, at I-75 to downtown Savannah at Montgomery Street (Exit 167B). I-16's unsigned designation of State Route 404 has a spur that is signed in Savannah.