Postal Act Article 27
In delivering mail items or postal property, postal personnel have the right of way on all roads, bridges, customs facilities, and ferries.
中文原文 郵政法第27條
郵政服務人員為遞送郵件或郵政公用物，經過道路、橋樑、海關、渡口等交通線路時，有優先通行權。
English translation for reference only; the Chinese text prevails. Not legal advice.