 It has many concurrencies along its path, including U.S. Route 280 (US 280) from the Alabama state line to Richland; US 27 from Columbus to Cusseta; and especially US 82 from Dawson to a point southwest of Brunswick.SR 520 begins at the Alabama state line concurrent with US 280.On the Alabama side of the state line, US 280 is concurrent with unsigned Alabama State Route 38.