Ключевые слова: alert, background, builder, building, bushes, caution, construction, countryside, curve, danger, development, driving, engineering, environment, forest, green, handmade, hazard, highway, icon, information, infrastructure, landscape, maintenance, navigation, repair, road, road sign, roadside, roadwork, rural, rustic, safety, security, sign, signage, stop, street, structure, support, symbol, temporary, traffic, transport, transportation, travel, urban, warning, weathered, white, wood, wooden, work, yellow,