Ключевые слова: alert, attention, background, barricade, barrier, block, border, boundary, build, car, caution, closed, cone, construct, construction, danger, design, equipment, fence, flat, forbidden, highway, icon, industry, object, obstacle, orange, plastic, protection, red, renovation, repair, road, roadblock, roadwork, safety, security, sign, signal, site, stop, street, striped, symbol, traffic, transportation, under, warning, work, work in progress,