Interstate 475
Interstate 475 (I-475) is a 15.83-mile (25.48 km) long Interstate highway in Georgia, splitting off from Interstate 75 and bypassing Macon, Georgia. It is also unsigned State Route 408. This is the preferred route for through traffic, as I-75 enters downtown Macon and reduces to four lanes (two in either direction), and has a 55 mph (89 km/h) speed limit, in addition to the I-16 highway interchange.