Ключевые слова: abstract, barrier, black, blocker, bollard, carriageway, city, colored, column, demarcation, design, driveway, limiting, line, modern, movement, nobody, paved, pavement, perspective, pole, post, posts, protection, restrict, road, roadside, safety, security, selected focus, sidewalk, street, striped, symbol, town, traffic, urban, vertical, way, yellow,