Over $9 billion needed to upgrade expressways for traffic safety stockbot 0 1 06.25 13:25 https://vietnamnews.vn/society/1658071/over-9-billion-needed-to-upgrad… + 0 https://vietnamnews.vn/rss/society.rss + 0 The 28 expressway projects proposed for investment include public investment projects, PPP projects and projects managed by the state-owned Vietnam Expressway Corporation.