Noise Control Act Article 14

With regard to the sound emitted by the motion of vehicles in land transportation systems including expressways, freeways, railways, and mass rapid transit systems, after the special municipality, county or city competent authority has measured the sound level in the section in question and found that it exceeds the land transportation system noise control standard, the operating or management agency (organization) shall determine a noise improvement plan for that section within 180 days of notification by the special municipality, county or city competent authority, and may determine a subsidy plan when improvement cannot be made. The plan shall be submitted to approval to the special municipality, county or city competent authority, and shall guide implementation. Only one time subsidy plan to improve noise control facilities may be implemented.The central competent authority in conjunction with the Ministry of Transportation and Communications shall determine land transportation system noise control sound levels and testing standards in the foregoing paragraph.
中文原文 噪音管制法第14條
快速道路、高速公路、鐵路及大眾捷運系統等陸上運輸系統內,車輛行駛所發出之聲音,經直轄市、縣(市)主管機關量測該路段音量,超過陸上運輸系統噪音管制標準者,營運或管理機關(構)應自直轄市、縣(市)主管機關通知之日起一百八十日內,訂定該路段噪音改善計畫,其無法改善者得訂定補助計畫,送直轄市、縣(市)主管機關核定,並據以執行。
但補助計畫以改善噪音防制設施並以一次為限。
前項陸上運輸系統之噪音管制音量及測定之標準,由中央主管機關會同交通部定之。

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