 In 1988, SR 520 was designated along its entire current length, with SR 55 between Richland and Dawson and SR 50 from Dawson to Jekyll Island being decommissioned.In 1989, the sections of US 82 and US 84 east of Waycross were swapped, presumably to make travel less confusing for drivers.State Route 520 Business (SR 520 Bus.)