To form a display section resisting abrasion by a stepping-on by a wheel, capable of recognizing the message of the display section from the outside in spite of a change with time and being capable of achieving its transmission function.

A desired display such as an alphabet, a numeral, the arrow or the like is constituted up to a proper height from a surface by the concrete molding of concrete, mortar or the like. The desired display is formed in a height capable of being buried in a paved surface, a ground or the like from the surface to a lower bottom.