Final answer:
The term that best fits the given statement is herd behavior.
Step-by-step explanation:
The term that best fits the given statement is herd behavior.
Herd behavior refers to the tendency of individuals to follow the actions or decisions of a large group, without necessarily considering the rationality or appropriateness of those actions or decisions.
In the context of drivers bunching up next to each other, the analogy of herd behavior highlights how people may imitate the driving patterns of others, even if it leads to inefficient or unsafe traffic conditions.