道どう路ろ鋲びょう

noun

road stud; raised pavement marker

Refers to reflective or non-reflective markers embedded in or affixed to road surfaces for lane delineation and traffic guidance.

• 夜や間かん、道どう路ろ鋲びょうがヘッドライトを反はん射しゃして車しゃ線せんを示しめす。

  At night, road studs reflect headlights to indicate lanes.