Road authorities eyes $340m proposal to upgrade national highways conn… stockbot 0 82 2023.10.03 10:53 https://vietnamnews.vn/society/1594636/road-authorities-eyes-340m-prop… + 4 https://vietnamnews.vn/rss/society.rss + 5 Three national highways in Điện Biên, Thanh Hoá and Lai Châu provinces connecting to Northern Laos and China are proposed to be upgraded and renovated with a total investment of more than $340 million