Ключевые слова: alert, asphalt, attention, background, barrier, bitumen, boundary, car, caution, cone, construction, danger, emergency, equipment, forbidden, isolated, object, obstacle, orange, pave, pavement, plastic, red, renew, repair, road, roadway, safety, security, set, shadow, sign, site, stop, street, striped, symbol, traffic, transportation, triangle, under, warning, white, work,