Ключевые слова: blizzard, blue, caution, changing, christmas, city, cold, communication, crossing, danger, day, departure, direction, driving, electronics, freeze, frost, go, green, highway, ice, icy, intersection, jam, light, nature, red, road, row, safety, semaphore, sign, signal, snow, stop, storm, street, system, town, traffic, transit, transportation, travel, tree, urban, vehicles, warning, weather, white, winter,