Railway Act Article 60
Electrified railway wires shall allow the safe passage of roadway vehicles with load heights of 4.2 meters at railway-crossings. If such headroom cannot be maintained due to special conditions, height limits shall be installed on both sides of the railway-crossing and the passage of vehicles with load heights exceeding the regulations shall be forbidden.
中文原文 鐵路法第60條
電化鐵路架空電車線，在平交道上之高度，應容許裝載四點二公尺高度之道路車輛安全通過；如因特殊狀況不能保持其淨空高度者，應在平交道兩側設置限高門，禁止超過規定裝載高度之車輛通行。