Organization Act of the Freeway Bureau, Ministry of Transportation and Communications Article 5

Subordinate agencies of the Bureau and their business matters are as follows:(1)Regional maintenance offices: Implementation of national highway maintenance and improvement.(2)Regional highway construction and engineering offices: Implementation of highway expansion and construction.
中文原文 交通部高速公路局組織法第5條
本局之次級機關及其業務如下:
一、各區養護工程分局:執行國道養護及管理事項。
二、各新建工程分局:執行國道拓建及新建工程事項。

English translation for reference only; the Chinese text prevails. Not legal advice.