The Implementing Regulation on Air-raid Practice Article 7

The air-raid practice may execute traffic control, it shall be coordinated by the Ministry of Communication, the Ministry of Interior, the Council of Agriculture, municipal cities, county governments, and public utilities which are concerned with air-raid practice pursuant to the following rules:1.Apart from fire engine, ambulance, police vehicle, patrol and the other people and automobile executing the related air-raid practice, all automobiles on the road shall pull over and shut off engine, and passengers shall seek hide, or do as army, military police, police and civil defense staffs instruct, or shall be forced to enter air-raid shelter. However, the automobiles on the high way or expressway shall move continuously, until they reach the plane road or leave interchange.2.The airplane, ships, train and mass rapid system shall take off and land, pull over and move on as usual, but the passengers who leave it shall seek hide or do as army, military police, police and civil defense staffs instruct, or shall be forced to enter air-raid shelter.
中文原文 防空演習實施辦法第7條
防空演習得實施交通管制,由交通部、內政部、行政院農業委員會及直轄市、縣(市)政府會同相關機關(構)依下列各款辦理:
一、除消防車、救護車、警備車、憲警巡邏車及其他執行防空演習相關任務之人員、車輛外,所有行走於道路之車輛、行人應即靠邊熄火、覓地掩蔽或聽從軍、憲、警及民防執勤人員指導或強制進入防空避難設施避難。
但行走於高架道路或高速公路之車輛得繼續行駛至平面道路或下交流道後再行避難。
二、航空器、船舶及鐵路、大眾捷運系統車輛得照常起降、靠離與行駛。
但下機(船、車)人員應即覓地掩蔽或聽從軍、憲、警及民防執勤人員指導或強制進入防空避難設施避難。

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