The Foreign Ministry announced the plan on March 13.
Vietnam and Laos share a border of about 2,340 km that runs across 10 Vietnamese provinces: Dien Bien, Son La, Thanh Hoa, Nghe An, Ha Tinh, Quang Binh, Quang Tri, Thua Thien-Hue, Quang Nam and Kon Tum.
The line also passes by 10 Lao provinces: Phongsaly, Luang Prabang, Houaphan, Bolykhamsay, Khammoune, Savannakhet, Salavan, Xiengkhouang, Sepon and Attapeu.