Expressways must have at least four lanes with maximum speed of 120kph… stockbot 0 7 04.05 10:00 https://vietnamnews.vn/society/1653308/expressways-must-have-at-least-… + 0 https://vietnamnews.vn/rss/society.rss + 0 The circular about national technical regulations on expressways will take effect from October 1 this year. Also under the circular, expressways must include emergency stopping lanes.