The total length of the highway is 46.485 kilometers, starting from the intersection of Shangjia Village and Provincial Highway 303 in Zaosheng Town, passing through Nanbei Village and Li Jiacun in Zaosheng Town, Qindian Village, Zhongcun Village, Liucun Village and Dengjia Village in Zhongcun Town, Yuluoping Village, Niuwu Village, Dongjie Village and Southwest Gate Village in xin zhuang zhen, and ending at the intersection of Qingniu Village and Provincial Highway 202 in Taichang Township. At present, the plateau area of this road is 30.485 kilometers, which is the standard cement pavement for the fourth-grade construction, and it can be completely unblocked after completion this year. Slope gravel road16km, and 23.3km from cheung tsing bridge to Zhengping is a secondary road.
The second-class highway is a type of highway grade in China, which is located behind the first-class highway and before the third-class highway and is widely used in actual road construction. The second-class highway is a kind of highway with medium pavement grade, ranking third in highway grade, below the expressway, above the first-class highway and above the third-class highway.