noun
road marking; traffic sign painted on the road
Refers to painted signs and symbols on the road surface, such as lane lines, arrows, and pedestrian crossings.
道路標示に従って車線を変更してください。
Please change lanes according to the road markings.
道路標識 refers to upright traffic signs (posts, boards), while 道路標示 refers to markings painted directly on the road surface.
Compound of 道路 (road) and 標示 (marking, indication).