From DC South and West through VA to OK

I posted this in the "Rest of the US"as well.
This is similar to my list of places near I-95 from DC to Key West. It’s a list of (1)good (2) local places to eat (3) within 15 minutes of the interstate along two routes: I-66 to 81 to 40 (VA, TN, AR, OK), and I-95 to 85 to 40 (VA, NC, TN, AR, OK), plus a couple of tempting detours.

I eagerly welcome suggestions for additions, especially after Memphis, all the way to California.