Transport ministry figures show the regions of Inner Mongolia and Xinjiang, along with the provinces of Liaoning, Jilin and Heilongjiang have closed 43 sections of road and 623 toll stations, CCTV said on Monday.
National weather authorities raised the warning for freezing weather conditions to its second highest level, the Global Times newspaper said, with drastic falls expected across the nation through Thursday.
The most severely affected areas will include parts of Inner Mongolia, northeastern China, the central province of Hubei and Hunan in the south, it added.
China’s extreme weather over the last year has ranged from sandstorms to torrential rain and record-breaking searing heat over the summer, as well as several typhoons.
Over the weekend, severe sandstorms blanketed several cities in the region of Ningxia Hui, including its capital of Yinchuan.