China National Highway 218 (G218) runs from Yining, Xinjiang to Ruoqiang, Bayingolin Mongol Autonomous Prefecture, Xinjiang. It is 1,067 kilometres in length and runs southeast from Yining towards Ruoqiang. The road starts at the Kazakh border. (West of Yining it may have a different number (?).) It passes Yining (Kulja) and follows the natural trade route east along the upper valley of the Ili River. It enters higher country and south of Urumchi turns south and crosses the Tien Shan mountains. It then enters the oasis country around Korla and Karashahr and then crosses the Tarim Basin along the old bed to the Tarim River to Ruoqiang (Charkilik) on the south side of the basin. With highways 314 and 315 it forms a loop around most of the Tarim basin.
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.
A extension plan of the highway system was announced in 2013, including extension of existing highways(101-112, 201-227, 301-330) and new highways (North-South 228-248, East-West 331-361, Connections 501-581). Only small portions of them needs to be constructed from scratch; most of the new highways would be upgraded provincial/county highways.
Another extension plan was announced in 2022, including new small purpose connection highways (601-701).
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