At 10:45 on March 7, the meteorological station of Nyingchi City, Xizang, continued to issue the yellow warning signal of road icing: Recently, there has been continuous snowfall in high-altitude mountainous areas. In the past 24 hours, there has been moderate to heavy snow along Doxiongla and Kalongla, and light snow along Sejila and Demla. Snowfall has caused snow and ice accumulation on the G318 section from Linzhi Town to Lulang, as well as on roads such as Zhamo Highway, Paimo Highway, and Rancha Highway, resulting in low visibility. It is expected that there will be moderate to heavy snow in high-altitude mountainous areas such as Sejila and Demla in the next 24 hours, and there will be blizzards along the routes of Duoxiongla and Galongla, accompanied by strong winds, cooling, and blowing snow. The phenomenon of road snow accumulation and icing is prone to worsen, and road traffic safety work needs to be done well. Defense measures: It is recommended that transportation, public security, and other departments take measures to deal with road snow and ice accumulation; At the same time, it is necessary to prevent secondary disasters such as avalanches and collapses that are easily caused by continuous heavy snowfall and snow accumulation; Drivers need to take anti-skid measures to ensure safe driving; After snow, there may be cooling weather, so it is necessary to take measures to prevent and keep warm.