Ключевые слова: accident, ahead, alert, asphalt, attention, background, barrier, boundary, caution, colours, cone, control, crossroads, danger, driving, equipment, fast, forbidden, hazard, highway, horizontal, industry, infrastructure, line, lined, mark, marker, object, orange, paint, post, protection, reflective, road, safe, safety, security, sign, signal, stop, street, stripe, striped, symbol, traffic, transportation, warning, way, white, work,