How many kilometers of highway congestion in Hubei province can be free?

3 kilometers. According to the announcement issued by the People's Government of Hubei Province, highways in Hubei Province are blocked for more than 3 kilometers and released free of charge. Hubei Province, also known as Chu and Jingchu, is a provincial administrative region of People's Republic of China (PRC), with Wuhan as its capital. Located in the middle of China, it is adjacent to Anhui in the east, Chongqing in the west, Shaanxi in the northwest, Jiangxi and Hunan in the south and Henan in the north.