Gannan Tibetan Autonomous Prefecture Meteorological Observatory issued a yellow warning signal on road icing at 23:17 on March 24, 2022: It is expected that some areas in Hezuo City, Lintan County, Zhuonni County, Maqu County, Luqu County, Xiahe County and other areas will be affected by road icing within 24 hours, please relevant units and personnel to take precautions!(Information source: National Early Warning Issuing Center) 1. Transportation and public security departments should make preparations for road icing according to their duties;2. Drivers should pay attention to road conditions and drive safely;3. Pedestrians should ride bicycles as little as possible and pay attention to anti-slip.