Ключевые слова: alert, asphalt, attention, automobile, automotive, barricade, boundary, caution, city, colors, concrete, cone, cones, construction, equipment, grass, highway, improvement, industry, infrastructure, landscape, maintenance, nobody, orange, outdoors, plastic, reconstruction, reflective, repair, residential, road, roadway, safety, security, sidewalk, sign, street, striped, stripes, summer, symbol, telecommunications, traffic cone, transportation, underground, urban, vehicle, warning, white, work,