Ключевые слова: arrow, asphalt, background, british, caution, check, city, concrete, cross, danger, england, hertfordshire, highway, lane, look, mark, nobody, outdoor, red, right, road, safety, sign, signal, social distancing, spray paint, stay safe, street, symbol, text, traffic, train station, train station platform, train station uk, train tracks, trains, transport, transportation, travel, uk, united kingdom, urban, warning, watford, way, white, yellow,