The antonyms for the phrase "burnt the road" would be words or phrases that indicate a lack of speed or urgency. Some examples of antonyms for "burnt the road" could be "took it easy," "casually drove," or "cruised." Other antonyms could be phrases that indicate a slower pace, such as "sauntered," "strolled," or "ambled." Whatever the antonym, it is clear that "burnt the road" connotes a sense of haste and urgency, while its opposite suggests a more relaxed and leisurely pace. Ultimately, the choice of antonym will depend on the context in which the word or phrase is being used.