This route was a key transportation route into the disaster zone during the 2008 Wenchuan earthquake, and was referred to as a "lifeline" by rescue workers.[1] On 6 July 2011, it was damaged by mudslides and collapses, including a 400-metre (1,300 ft) stretch which was damaged as a result of the nearby river being diverted by a mudslide.[1]
For the extension to Ceke, a tunnel is being constructed on the 4,000-metre (13,000 ft) pass on the Gansu-Qinghai border near Sunan County.[2]
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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AH3
Route 13
