Six Flags Over Georgia - March 2006

Route
I 40 West, I 85 South, I 285 North, I 20 West to Six Flags Over Georgia
I 20 East, I 285 North, US 78 to Stone Mountain and return
I 20 East, I 75/85 North to Downtown, US 19 South, I 75/85 North, I 20 West
I 285 North, I 75 North to Marietta GA and return
I 20 East, I 285 South, I 20 East to Augusta GA
I 20 East, SC 277 North, I 77 North, I 485 Inner, I 85 North, I 40 West to Chapel Hill
Notes
The I 485 exit from I 85 is labelled I 485 Outer.
US 521 is still indicated on BGS in both directions over I 85 at Billy Graham Parkway in west Charlotte NC.
On the ramp from I 77 North to I 485, the lanes are labelled I 485 East and I 485 Inner (instead of West).
Results
Clinch I 285 (GA) and I 485 (NC).
More mileagle on I 20 and I 75 in GA.
Douglas County GA, for a total of 887.