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1·Road Narrows On Left (Right).

道路左(右)侧变窄。

2·The road narrows here.

路在这儿变窄了。

3·Once on the WMDR it quickly narrows to a 3-meter wide dirt road with two-way traffic .

一旦到达WMDR，道路宽度很快会变窄为一个3米宽的双向车道泥土路。