China National Highway 204 (G204) runs from Yantai in Shandong Province to Shanghai.

[1] It is 1,031 kilometres in length and runs south from Yantai, going via Shandong and Jiangsu Province, and ends in Shanghai.

[2][3] China National Highway 112 runs around Beijing Before 2013, Mainland China observed National Highway 228 as Taiwan Ring, composed of several National Expressway (Republic of China) and Taiwan provincial highways, this designation is not recognized by Republic of China (Taiwan).

This observation was eventually dropped in new National Highway plans, replaced by Dandong-Dongxing Highway.

Another extension plan was announced in 2022, including new small purpose connection highways (601-701).