Asian Highway 15 (AH15) is a road in the

Asian Highway Network The Asian Highway Network (AH), also known as the Great Asian Highway, is a cooperative project among countries in Asia and the United Nations Economic and Social Commission for Asia and the Pacific (ESCAP) to improve their connectivity via hig ...

running from Vinh, Vietnam to Udon Thani, Thailand connecting AH1 to

AH12 Asian Highway 12 (AH12) is a route of the Asian Highway Network, with a length of 1,195 km (747 miles) that runs from AH3 in Nateuy, Laos, through Muang Xay, Luang Prabang, Vang Vieng, Vientiane, Nong Khai, Udon Thani, Khon Kaen, Nakhon ...

. The route is as follows:

Vietnam

* QL8: Vinh () -

Cau Treo Cau or CAU may refer to: Mythology *Cau (bull), a legendary bull in Meitei mythology People * Jean Cau (rower) (1874–?), French Olympic rower * Jean Cau (writer) (1925–1993), French writer and journalist * Jean-Michel Cau, French footbal ...

Laos

Route 8: Nam Phao - Vieng Kham * Route 13, LAO

Route 13 (Concurrent with ): Vieng Kham - Thakhek

Thailand

Route 295:

Third Thai–Lao Friendship Bridge The Third Thai–Lao Friendship Bridge ( th, สะพานมิตรภาพ ไทย-ลาว แห่งที่ 3, ) over the Mekong is a bridge that connects Nakhon Phanom Province in Thailand with Thakhek, Khammouane Province in L ...

Route 212: At Samat - Nakhon Phanom * Thai Highway-22

Route 22:

Nakhon Phanom Nakhon Phanom ( th, นครพนม, ) is a town (''thesaban mueang'') in northeastern Thailand, capital of Nakhon Phanom Province. The town covers ''tambons'' Nai Mueang and Nong Saeng and parts of ''tambons'' At Samat and Nong Yat, all in M ...

- Udon Thani {{AHN Asian Highway Network Roads in Thailand Roads in Vietnam Roads in Laos