Tunnel construction proposed at Hoang Lien Pass to connect Lao Cai and Lai Chau

HCMC – A tunnel with an altitude of 2,000 meters connecting Lao Cai and Lai Chau provinces will be constructed to replace the dangerous 22-kilometer pass on National Highway 4D, shortening the travel time from nearly two hours to 11 minutes. Deputy Prime Minister Tran Hong Ha on February 2023