I would recommend Elizabethtown if you are looking for economy hotels(places like Hampton/Holiday Inn etc) and you are looking for interstate type fare like Cracker Barrel. The Louisville Airport/Expo area has quite a few hotels, but are thin on good restaurants. Further south you will find quite at bit at Bowling Green, that is more 90 minutes south of Louisville. You will also find hotels just before crossing into Louisville, and again in the downtown area. The east side of Louisville has the largest selection of hotels and best restaurant selection IMO, but that would take you out of the way.