Ключевые слова: 20, alert, attention, background, caution, charge, clip art, crossing, danger, design, direction, drivers, driving, english, fault, guide, highway, icon, illustration, indication, information, intersections, isolated, lane, law, limit, motorist, notice, prevent, protection, public, regulations, restrict, risk, road, safety, sign, signage, signal, speed, speeding, street, sue, symbol, traffic, traffic sign, transportation, vehicles, warning,