Gainesville Gainesville's 1910 Southern Railway station (above and below) continues in service as an Amtrak stop. A few blocks away from the Southern's tracks stands the former Gainesville Midland Railroad depot, built in 1914 and rehabilitated in the late 1990s for use as an arts center (below).   Gainesville, a city of 28,000, is the county seat and largest city in Hall County in north Georgia.   Georgia's Railroad History & Heritage. Copyright, Steve Storey. Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home