(Follow 18) Keep right
材質: 鋁板、錏版
體形：有八角形、倒等邊三角形、圓形、方形及專用於 鐵路平交道之交叉形。
顏色：除特殊標誌另有規定外，「遵行標誌」為「藍底 白色」圖案，「禁止及限制標誌」為「白底紅邊黑色」 圖案aMaterial: Aluminum plate, galvanized plate
Shape: Octagon, inverted equilateral triangle, circle, square and cross shape for railway level crossing.
Color: Unless otherwise specified for special signs, "observation signs" are "blue background with white" and "prohibition and restriction signs" are "white background with red border and black" patterns.
Prohibition signs can be divided into the following three types according to their functions:
(I) Compliance signs: indicate compliance matters.
(II) Prohibition signs: indicate prohibited matters.
(III) Restriction signs: indicate restricted matters.
★ Reflective performance
★ Remind road users to pay attention to road conditions
★ Improve compliance with traffic control measures
Prohibition signs are used to inform drivers and pedestrians of traffic control measures that should be followed at specific locations or sections of roads or within specific times.