highway actglossary / HIGHWAY ACT highway act. (usu. pl.) One of a body of statutes governing the laying out, construction, repair, and use of highways. — Also termed highway law. [Cases: Highways 21.] 词条贡献者 双语律师Andrew,欧洲名校国际税法专业,擅长翻译各类与国际税法相关的法律文件。