Highway Billboard with Solar Energy System is a 13×5m energy-efficient advertising structure designed for highways and urban main roads. Constructed from high-strength Q235 steel, it provides excellent stability and can withstand wind speeds up to 120km/h. Powered by an integrated solar system, it runs in an eco-friendly and low-cost way. This durable, self-sufficient billboard delivers stable performance and high visibility for long-distance roadside advertising display.