China National Highway 108 (G108) is a National Highway which connects Beijing through Chengdu to Kunming.

It leaves Beijing at Fuxingmen and heads for Yamenkou, before heading into hillier terrain and leaving Beijing altogether.

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).