Road stud of Siam Traffic Co., Ltd. is used for dividing the road boundary, for safety, reducing the accidents, made from aluminum alloy attached with the reflective sheet made from the acrylic plastic sheet. This acrylic is a reflective prism glass style and available 1 or 2 sides on road stud. In addition, there will be thin layer of the coated glass in order to enhance the reflection index during night time. There are 2 colors which are white, and yellow colors.
- There are 2 brands available: Highway and 3M TIS.2573-2555.