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AH15

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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

National Route 8 (Vietnam) QL8: Vinh (National Route 1 (Vietnam) 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