In Oklahoma City, OK take Exit 139 off I 40 N to Kilpatrick Turnpike. Go 5 miles and take Highway 66 E. Go 6 miles to Ann's Chicken Fry House for outstanding road food for lunch or dinner. When you get your fill of good fried chicken go E less than a mile to I 44 and go S to I 40 about 3/4 miles to I 40. Get over in your left lane going S and take the I 40 E ramp to I 40 E. For outstanding BBQ get off I 40 at Exit 150 A and go N on S Walker Ave. Take your second left on Reno and go E to Oklahoma. Take a right on Oklahoma and go to S E 2nd. Take a right and go to Johnny Bench Drive to Earl's BBQ. You can see Earl's from I 40 but it sure is difficult to reach. The BBQ makes it worth the effort.
You may want good ole country food for breakfast or lunch or a fine steak for dinner. Cattlemen's Steakhouse located in the Oklahoma Stockyards offers outstanding road food and it's the most convenient location off I 40 in Oklahoma City, OK. Get off I 40 at Exit 148 A and go S on S Agnew Ave. to Cattlemen's Steakhouse. I would have a hard time trying to choose between fried chicken, BBQ or Cattlemen's country food.
Ann's Chicken Fry House @ 4106 Northwest 39th St., Oklahoma City, OK 405 - 943 - 8915.
Earl's Rib Palace @ 216 Johnny Bench Dr, Oklahoma City, OK 405 - 272 - 9898.
http://www.earlsribpalace.com/ Cattlemen's Steakhouse @ 1309 South Agnew Avenue, Oklahoma City, OK 405 - 236 - 0416.
http://cattlemensrestaurant.com/ Get off I 40 in Amarillo, TX at Exit 68 B to Georgia St. Turn N and go to Frontage Road. Take a left then take your first right on S Kentucky to Dyer's BBQ for outstanding road food for lunch or dinner.
Dyer's BBQ @ 1619 South Kentucky St., Amarillo, TX 806 - 358 - 7104.
Get off I 40 at Exit 332 in Tucumcari, NY and go N on S 1st St. to Tucumcari Blvd. Take a right and go to Kix on 66 for good road food for breakfast, lunch or dinner.
Kix on 66 @ 1102 East Tucumcari Boulevard, Tucumcari, NM 575 - 461 - 1966.
http://www.kixon66.com/ Get off I 40 in Albuquerque, NM at Exit 159 B to I 25 S and go to Exit 224 B on I 25 S. Exit and go back E on Dr. Martin Luther King, Jr. Ave. Go 5 blocks and take a right on Maple. Go 3 blocks to Central and turn right to go to 66 Diner for outstanding road food for lunch or dinner. For outstanding Southwest cuisine for breakfast go 7/8 blocks E on Central from Maple to Frontier Restaurant.
If you want good road food in Albuquerque and don't have time to get too far off I 40 get off at Exit 160 and go N on Carlisle Blvd. NE to Rudy's Country Store and BBQ.
66 Diner @ 1405 Central Avenue NE, Albuquerque, NM 505 - 247 - 1421.
http://www.66diner.com/ Frontier Restaurant @ 2400 Central Avenue SE, Albuquerque, NM 505 - 266 - 0550.
http://www.frontierrestaurant.com/ Rudy's Country Store and BBQ @ 2321 Carlisle Boulevard NE, Albuquerque, NM 505 - 884 - 4000.
http://www.rudys.com/