The phrase "burnt up the road" implies high speed and urgency, but there are several antonyms that could be used to convey the opposite meaning. For example, "moseyed down the road" suggests a slow and leisurely pace, while "drifted along the road" implies a lack of direction or purpose. "Sauntered up the road" conveys a relaxed and carefree attitude, while "ambled along the road" suggests a casual and unhurried journey. Finally, "strolled up the road" implies a gentle and pleasant walk with no particular destination in mind. These antonyms can provide a new perspective on the phrase "burnt up the road" and offer alternative ways to describe a journey.