AH15
Road in Southeast Asia
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 Map of AH15 in red | ||||
 AH15 at the Vieng Kham Junction | ||||
| Route information | ||||
| Length | 566 km (352 mi) | |||
| Major junctions | ||||
| North end | Vinh, Vietnam | |||
| South end | Udon Thani, Thailand | |||
| Location | ||||
| Countries |  Vietnam Laos Thailand | |||
| Highway system | ||||
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Asian Highway 15 (AH15) is a road in the Asian Highway Network running 566 kilometres (352 mi) from Hồng Lĩnh, Vietnam to Udon Thani, Thailand connecting AH1 to AH12. The route is as follows:
Vietnam
QL8: Vinh (
AH1) - Cau Treo
Laos
Route 8: Nam Phao - Vieng Kham
Route 13 (Concurrent with 
AH11): Vieng Kham - Thakhek
Thailand
Route 295: Third Thai–Lao Friendship Bridge
Route 212: At Samat - Nakhon Phanom
Route 22: Nakhon Phanom - Udon Thani
- v
- t
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Asian Highway Network | ||
|---|---|---|
| Across the whole continent |  | |
| Southeast Asia | ||
| East Asia, Northeast Asia and Southeast Asia | ||
| South Asia | ||
| North Asia, Central Asia and Southwest Asia | ||
