Ключевые слова: accident, alert, asphalt, attention, barrier, beware, bitumen, boundary, car, care, careful, caution, cone, cones, construction, control, danger, drive, equipment, indication, isolated, life, new, nobody, object, pattern, plastic, red, road, row, safety, security, shape, sign, signal, stop, street, striped, traffic, transportation, warning, white, work,