Vientiane–Boten Expressway
The Vientiane–Boten Expressway (officially referred to as the Lao-China Expressway) (Lao: ທາງດ່ວນ ລາວ-ຈີນ) is a partially completed expressway between Boten, on the China–Laos border, and Vientiane, the capital of Laos. It roughly parallels Route 13.
Source: Wikipedia — Vientiane–Boten Expressway (CC BY-SA 4.0)