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