The antonyms for the phrase "burned up road" could be many depending on the context. For instance, if we take it as a literal meaning, the road that is not "burned up" could be described as a "smooth" road, "flawless" road, or "well-maintained" road. If we take it in a figurative sense, the opposite could be a "scenic" road or a "leisurely" road, indicating a peaceful and relaxed journey. Other options could include "cool" road or "shaded" road that provides relief from the scorching heat. Thus, the antonyms of "burned up road" can vary based on the interpretation and context.