Interstate 475 (I-475) is a 15.83-mile-long (25.48 km) auxiliary Interstate Highway in Georgia, splitting off from I-75/State Route 540 (SR 540) and bypassing Macon. It is also unsigned State Route 408 (SR 408). This is the preferred route for through traffic, as I-75 enters Downtown Macon and reduces to four lanes, and has a 60-mile-per-hour (97 km/h) speed limit, in addition to the highway interchange with I-16.
I-75 northbound sign at Hartley Bridge Road for I-475 north in Macon
I-475 northbound end at I-75 between milemarkers 178 and 179
Interstate 75 (I-75) in the US state of Georgia travels north–south along the U.S. Route 41 (US 41) corridor in the central part of the state, traveling through the cities of Valdosta, Macon, and Atlanta. It is also designated—but not signed—as State Route 401 (SR 401).
I-75 cosigned with I-85 in Downtown Atlanta
Macon, Georgia 1955 Yellow Book with I-75 route
A section of I-75 in Cartersville.
View of southbound I-75 at Jonesboro Road. Overhead signs are visible along the South Metro Express Lanes located in the freeway's median.