Ключевые слова: abstract, accident, asphalt, attention, background, barrier, beware, bitumen, black, boundary, bright, careful, close, concrete, cone, construction, danger, divert, driving, highway, horizontal, industrial, isolated, limit, marker, nobody, object, orange, pave, pavement, red, renew, repair, road, safety, security, sign, site, space, stop, street, tar, traffic, transportation, under, up, warning, white, work, works,