At 10:30 on March 9, 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 heavy snow along Galongla and Duoxiong La, heavy to heavy snow along Sejila, and light snow along Demla. Snowfall has caused severe snow and ice accumulation on the G318 section from Linzhi Town to Lulang, as well as on Zhamo Highway, Paimo Highway, Rancha Highway, and other roads, resulting in low visibility. It is expected that there will be no significant snowfall in the next 24 hours, but there will be strong winds, cooling temperatures, and blowing snow. 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.