Ключевые слова: accident, alert, attention, barrier, bollard, careful, caution, color, colour, cone, construction, control, danger, direction, emergency, guard, hazard, highway, industrial, industry, isolated, line, lit, marking, object, orange, pawn, plastic, post, road, roadworks, safe, safety, shallow, sign, signal, single, speed, standing, stop, street, striped, symbol, traffic, vibrant, warning, work,