Organization Act of the Freeway Bureau, Ministry of Transportation and Communications Article 3
The Bureau shall have one director-general with a rank equivalent to that of a Grade-13 senior executive officer, and two deputy directors-general with a rank equivalent to that of a Grade-12 senior executive officer.
中文原文 交通部高速公路局組織法第3條
本局置局長一人，職務列簡任第十三職等；副局長二人，職務列簡任第十二職等。