Ключевые слова: alert, asphalt, attention, avenue, background, barrier, border, boundary, bright, car, caution, color, concrete, cone, construction, danger, design, equipment, forbidden, group, highway, line, marking, object, obstacle, orange, pavement, plastic, red, reflection, road, roadway, row, safety, security, set, shadow, signal, site, stop, street, striped, symbol, three, traffic, transportation, under, warning, white, work,