Ключевые слова: ahead, alert, barrier, block, border, boundary, car, caution, city, closed, cone, construction, construction site, detour, enclosure, fence, forbidden, hazard, industrial, infrastructure, maintenance, message, notice, progress, reconstruction, repair, restricted, road, road closed, road construction, road sign, road work, roadblock, roadwork, safe, safety, sign, signal, site, street, traffic, traffic sign, transportation, usa, utility, vehicle, warning, work, zone,