On your way S on I 81 you will have a lot of options for road food. You may just want to stop for a rest and a cold drink. The Naked Oyster is a great place for lunch/dinner at Winchester at Exit 313.
Naked Oyster @ 2444 Valley Avenue, Winchester, VA 540 - 678 - 0778.
http://www.thenakedoysterwinchester.com/ At Stephens City is Butcher Block BBQ @ Exit 264. Just down I 81 a few miles at New Market is Southern Kitchen serving outstanding country food for breakfast, lunch and dinner at Exit 264.
Butcher Block BBQ @ 131 Town Run Lane, Stephens City, VA 540 - 869 - 4141.
http://www.butcherblockbuffet.com/ Southern Kitchen @ 9576 South Congress St., New Market, VA 540 - 740 - 3514.
Harrisonburg has quite a few fine restaurants convenient to I 81. There are BBQ Ranch, Calley's Restaurant and Brewing Co. for good BBQ also, Dave's Downtown Tavern for good food and drinks, Donna Rosa for good Mexican, Jess' Quick Lunch, Joshua Wilton House Inn and Restaurant, Little Grill for breakfast, Local Chop and Grill House for fine dining, Smoking Pig BBQ and Village Inn.
BBQ Ranch @ 3311 N Valley Pike, Harrisonburg, VA 540 - 434 - 3296.
Cally's Restaurant and Brewing Co. @ 41 A Court Square, Harrisonburg, VA 540 - 434 - 8777.
http://www.callysbrewing.com/ Dave's Downtown Taverna @ 121 S. Main St., Harrisonburg, VA 540 - 564 - 1487.
http://www.davestaverna.com/ Dona Rosa @ 43 Linda Lane, Harrisonburg, VA 540 - 442 - 7672.
Jess' Quick Lunch @ 22 S. Main St., Harrisonburg, VA 540 434 - 8282.
Joshua Wilton House @ 412 South Main St., Harrisonburg, VA 540 - 434 - 4464.
http://joshuawilton.com/ Little Grill @ 621 North Main St., Harrisonburg, VA 540 - 434 - 3594.
http://littlegrillcollective.com/ Local Chop and Grill House @ 56 West Gay St., Harrisonburg, VA 540 - 801 - 0505.
http://www.localchops.com/ Smoking Pig @ 56 East Wolfe St., Harrisonburg, VA 540 - 433 - 3917.
The Village Inn @ 4979 South Valley Pike - S Main St., Harrisonburg, VA 540 - 434 - 7355.
http://www.thevillageinn.travel/ Staunton is just W of I 81 and a very nice town also. It's home to Mrs. Rowe's country food breakfast, lunch and dinner, Wright's Dairy Rite, Staunton Grocery for casual fine lunch/brunch/dinner and The Depot Grill.
Mrs. Rowe's Family Restaurant @ 74 Rowe Rd., Staunton, VA 540 - 886 - 1833.
http://www.mrsrowes.com/ Wright's Dairy Rite @ 346 Greenville Ave., Staunton, VA 540 - 886 - 0435.
http://www.dairy-rite.com/ Staunton Grocery @ 105 West Beverley Street, Staunton, VA 540 - 886 - 6880.
http://www.stauntongrocery.com/ The Depot Grill @ 42 Middlebrook Ave., Staunton, VA 540 - 885 - 7332.
http://www.depotgrille.com/ Lexington, VA has a number of good restaurants like Bistro on Main for lunch/dinner, Macado's for sandwiches, Sheridan Livery Inn and Restaurant for lunch/dinner, The Palms for lunch/dinner and drinks and Soutern Inn for fine dining lunch/dinner. Lexington is the home of VMI and W&L U. It's a beautiful town a few minutes W of I 81 and worth a visit.
Bistro on Main @ 8 North Main St., Lexington, VA 540 - 464 - 4888.
http://www.bistro-lexington.com/ Macado's @ 30 North Main St., Lexington, VA 540 - 464 - 8201.
http://www.macados.net/ Sheridan Livery Inn & Restaurant @ 35 North Main St., Lexington, VA 540 - 464 - 1887.
http://www.sheridanliveryinn.com/ The Palms Restaurant @ 101 West Nelson St., Lexington, VA 540 - 463 - 7911.
http://www.thepalmslexington.com/ Southern Inn Restaurant @ 37 South Main St., Lexington, VA 540 - 463 - 3612.
http://www.southerninn.com/ Home Place is a great restaurant several miles W of I 81 W of Roanoke at Exit 141 serving outstanding country food, good fried chicken and deserts in an old home. Just E of Lexington at Exit 188AB Frank's for the Memorie's is a great place for good road food with great outdoor dining.
Home Place Restaurant @ 4968 Catawba Valley Dr., Catawba, VA 540 - 384 - 7252.
Frank's for the Memories BBQ @ 2117 Magnolia Ave., Buena Vista, VA 540 - 261 - 5553.
http://www.franks4thememories.com/ Get off I 81 at Exit 150B and go E to Highway 11. Turn left and go N a couple of miles to Pomegrante Restaurant for outstanding seafood and steaks for dinner.
Pomegranate Restaurant @ 106 Stoney Battery Road, Troutville, VA 540 - 966 - 6052.
http://www.pomegranateva.com/ The best option on I 81 near Roanoke, VA if you are trying to make good road time is Three Little Pigs at Daleville at Exit 150 5 miles N of Roanoke, VA. It's located in a small shopping center less than two minutes off W side of I 81 and serves great BBQ. It also has a very nice outdoor seating area and the menu includes sandwiches and salads for those who don't want BBQ. They also serve cold adult beverages. The shopping center has some very nice stores in case you are in need of road supplies. There are nice hotels on both sides of I 81 and a nice big truck stop to refuel and pick up road supplies. Three Little Pigs is a much better choice. Check it out next time you go by.
Three Lil Pigs BBQ @ 120 Kingston Dr., Daleville, VA 540 - 966 - 0165.
http://www.threelilpigsbbq.com/ Roanoke has quite a few nice restaurants but they are mostly in town. The restaurants near I 81 don't compare. If you should spend the night in Roanoke go check out these places for good road food. Blues BBQ, Fork in the Alley for pizza, burgers, sandwiches, Harbor Inn Seafood, Hollywood's Restaurant and Bakery for lunch/dinner, The Roanoker for breakfast and Wildwood Smokehouse BBQ.
Blues BBQ @ 107 Market Street SE, Roanoke, VA 540 - 344 - 5683.
http://bluesbbqco.com/ Fork in the Alley @ 2123 Crystal Spring Ave. SW, Roanoke, VA 540 - 982 - 3675.
http://forkinthealley.com/ Harbor Inn Seafood @ 7416 Williamson Rd., Roanoke, VA 540 - 563 - 0001.
Hollywood's Restaurant and Bakery @ 7770 Williamson Rd., Roanoke, VA 540 - 362 - 1812.
http://www.hollywoodsrest...s_Website/Welcome.html The Roanoker Restaurant @ 2522 Colonial Avenue SW, Roanoke, VA 540 - 344 - 7746.
http://www.theroanokerres...t.com/pages/index.html Wildwood Smokehouse @ 2041 Electric Road, Roanoke, VA 540 - 989 - 2100.
http://www.wildwoodsmokehouseva.com/ In Christiansburg just on down the road a piece is Dude's, Due South,
Farm House and Summit. All are very good places to eat.
Dude's
Drive In @ 1505 Roanoke St., Christiansburg, VA 540 - 382 - 7901.
Due South BBQ @1465 Roanoke St., Christiansburg, VA 540 - 381 - 2922.
http://www.duesouthbbq.com/ Farm House Food @ 285 Ridinger St., Christiansburg, VA 540 - 382 - 4253. .
http://www.thefarmhouseonline.com/ Summit Restaurant @ 95 College St., Christiansburg, VA 540 - 382 - 7218.
http://www.summitrestaurant.us/ In Fairlawn @ Exit 105 is Troy's Steaks and Pizza but it's 10 minutes or so W of I 81 and W of Radford in Fairlawn in town. Good place for road food.
Troy's Steaks, Subs and Pizza @ 7339 Peppers Ferry Boulevard, Fairlawn, VA 540 - 731 - 4611.
On I 81 in Wytheville, VA stop at Smokey's BBQ at Exit 70 or 73. Peking Chinese Restaurant is outstanding also.
C J's Pizza is good if you have kids.
Smokey's BBQ @ 1090 East Main Street, Wytheville, VA 276 - 228 - 9014.
http://smokeysbbq.com/ Peking Chinese Restaurant @ 105 Malin Drive, Wytheville, VA 276 - 228 - 5515.
http://www.pekingva.com/ C J's Pizza @ 1025 West Lee Highway, Wytheville, VA 276 - 228 - 8448.
Harvest Table Restaurant at Exit 24 in Meadowview, VA is outstanding for lunch or dinner.
Harvest Table Restaurant @ 13180 Meadowview Square, Meadowview, VA 276 - 944 - 5142.
http://www.meadowviewfarmersguild.com/ At Abingdon, VA there's some fine places. Have lunch at the House on Main and dine on the porch,. Have lunch or dinner at Peppermill or BBQ at Parks BBQ at Exit 17. Chick N Little is good country food and Ellis Soda Shop and Grill has good salads, soups, sandwiches, burgers and more with outdoor seating as well. Wildflower Bakery and Cafe is great for breakfast,lunch or dinner and it's close to I 81 at Exit 19. Your next stop is Wytheville, VA.
The House on Main @ 231 West Main St., Abingdon, VA 276 - 619 - 0039.
http://houseonmain.com/ Parks Mill BBQ @ 21405 Parks Mill Rd., Abingdon, VA 276 - 628 - 9191.
http://parksmill.com/ Peppermill Restaurant @ 967 West Main St., Abingdon, VA 276 - 623 - 0530.
http://www.thepeppermill.com/pmillhome.asp Chick N Little @ 401 West Main St., Abingdon, VA 276 - 628 - 6690.
Ellis Soda Shoppe and Grill @ 217 West Main St., Abingdon, VA 276 - 623 - 8187.
http://www.ellissodashoppe.com/ Wild Flower Bakery and Cafe @ 24443 Lee Hwy., Abingdon, VA 276 - 676 - 4221.
If you have time to detour to Johnson City or Bluff City then Cootie Brown's and Ridgewood BBQ are good road stops.
Cootie Brown's @ 2715 North Roan St., Johnson City, TN 423 - 283 - 4723.
http://www.cootiebrowns.com/ Ridgewood BBQ @ 900 Elizabethton Hwy., Bluff City, TN 423 - 538 - 7543.