摘要
With the continuous development and growth of China's economy, the government continues to increase the investment in basic engineering and infrastructure, to promote the improvement of China's transportation network, especially the highway network increasingly perfect. Expressway network plays an increasingly significant role in social and economic development. With the continuous increase of the total mileage of the expressway, its safety problems are gradually concerned by all sectors of society. Safety facilities as an important part of the expressway system, scientific and reasonable planning is of great significance to ensure traffic safety, so the relevant construction units must attach great importance to the expressway network traffic safety facilities planning work, in order to promote the vigorous development of China's expressway industry, to ensure the safety of people's travel.
