A340 highway (Russia)

Federal Highway A340
Федеральная автомобильная дорога А340
Route information
Part of AH3
Length	219 km (136 mi)
Existed	2010–present
Major junctions
North end	R258 in Ulan-Ude
South end	Mongolian border in Khyagt
Location
Country	Russia
Highway system
Russian Federal Highways

The Russian route A340 is a Russian federal highway, connecting Russian city Ulan-Ude and Mongolia.

Until 2010, the route was designated as A165. The entire route is part of AH3.

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