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In page Transport in Laos:

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In Laos, there are 21,716 kilometres (13,494 mi) of roadway, of which 9,673.5 kilometres (6,010.8 mi) are paved, leaving 12,042.5 kilometres (7,482.9 mi) unpaved.[citation needed] Right-hand traffic (RHT) is observed in Laos.[1]