boulevard ruleglossary / BOULEVARD RULE boulevard rule. The principle that the driver of a vehicle approaching a highway from a smaller road must stop and yield the right-of-way to all highway traffic. [Cases: Automobiles 171(5).] 词条贡献者 法律翻译亚明,毕业于欧洲顶尖的高级翻译学院,专注翻译各类与汽车与运输有关的法律文件。