Ключевые слова: access, asphalt, background, ball, barrier, barriers, block, car, city, color, concrete, control, danger, drive, edge, fencing, hemisphere, lengthways, limited, market, parking, pavement, penalty, protection, road, roads, roadway, row, secure, security, sidewalk, space, sphere, spheres, stone, stop, street, traffic, transport, transportation, urban, vandalism, violation, warning, yellow,