 | This article needs additional citations for verification .(May 2020) |
 | |
|---|---|
| Федеральная автомобильная дорога А340 | |
| Route information | |
Part of  AH3 | |
| Length | 219 km (136 mi) |
| Existed | 2010–present |
| Major junctions | |
| North end |  R 258 in Ulan-Ude |
| South end | Mongolian border in Khyagt |
| Location | |
| Country | Russia |
| Highway system | |
The Russian route A340 is a Russian federal highway, connecting Russian city Ulan-Ude and Mongolia. [1]
Until 2010, the highway was designated as A165. The entire route is part of AH3, a route of the Asian Highway Network.
