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 双语律师Natalie,毕业于法国一流的高级翻译学院,擅长翻译各类与监管与政府事务相关的法律文件。