Mansfield Depot Mansfield's old Central of Georgia depot is now used by a local business, while the tracks carry occasional trains of the Great Walton Railroad. Mansfield (pop. 430) is a town in Newton County about 40 miles east of Atlanta.   Georgia's Railroad History & Heritage. Copyright, Steve Storey. Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home