I 40 West, Bus I 85 South, I 85 South, I 77 South, US 1 South, I 20 West to Augusta
GA 28, GA 104, Local Roads
I 20 East, SC 277 North, I 77 North, I 85 North, I 40 West to Chapel Hill
US 521 is still indicated on a BGS over I 77 at Billy Graham Parkway in south Charlotte NC.
The differential cost of gas is smaller between NC and Georgia. Unleaded was 2.49 in Haw River NC and 2.42 in Augusta GA. My brother told me that ever since Kenan bought out Smile gas, the Circle K gas stations are not pushing the price curve down.