Asian Highway 15 (AH15) is a road in the Asian Highway Network running from

Vinh Vinh () is the biggest city and economic and cultural center of north-central Vietnam. Vinh is the capital of Nghệ An Province, and is a key point in the East–West economic corridor linking Myanmar, Thailand, Laos and Vietnam. The city is ...

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

Udon Thani Udon Thani ( th, อุดรธานี, ) is a city in Isan ( Northeast Thailand), the capital of Udon Thani Province and with a population of approximately 430,000 in its urban area the 7th largest city in the country. The city municipality ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

connecting

AH1 Asian Highway 1 (AH1) is the longest route of the Asian Highway Network, running from Tokyo, Japan via Korea, China, Southeast Asia, Bangladesh, India, Pakistan, Afghanistan and Iran to the border between Turkey and Bulgaria west of Istanbul ...

to AH12. The route is as follows:

Vietnam

* QL8:

() - Cau Treo

Laos

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

Route 13 (Concurrent with ): Vieng Kham -

Thakhek Thakhek (Lao language: ທ່າແຂກ), the capital of Khammouane Province, is a town in south-central Laos on the Mekong River. The Third Thai–Lao Friendship Bridge, linking Thakhek and Nakhon Phanom, Thailand, across the river, started ...

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 ...

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 ...

{{AHN Asian Highway Network Roads in Thailand Roads in Vietnam Roads in Laos