Nashville to gaffney SC for camp freightliner

Thank you both for the help.
Barb

Here are some note of mime from Knoxville to Columbia, SC.
Some notes of mine that might help:

I-40 East from Knoxville, TN

I-40, TN, MM 444, Begin 55mph Truck restriction lane.
I-40, TN, MM 445, Caution, 50mph Left curve.
I-40, TN, MM 450, Caution, sharp 45mph left curve.
I-40, NC, MM 20, End Truck restriction lane. 60mph downhill race to Asheville, NC
I-40, NC, MM 46A, I-26 Split.
I-26, NC, MM 53/54 Continental Divide, 2130 feet.
I-26, NC, MM 54, Enter the Green River Gorge, 7 % downhill grade, 55mph.
I-26, NC, MM 55, Bridge over the Green River.
I-26, NC, MM 61, Start uphill pull.
I-26, NC, MM 62, 6% Downhill grade.
I-26, NC, MM 62.5. Bottom

There is bridge construction over the French Broad River. I have seen traffic backed up almost to the I-40/81 split.

Also some bridge construction in Asheville with back ups.
I-26, SC, Gentle rolling hills to Columbia, SC

We usually take I-40 to I-26 to I-85. We don't go to Camp Freightliner but we stop in Boiling Springs to see family. Been that route several times. There are some steep grades and curves but you should be fine if you follow the speed limits and signs and gear down instead of using brakes. We have a motorhome and toad.