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
Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...
, through
Muang Xay,
Luang Prabang
Luang Prabang (Lao language, Lao: wikt:ຫຼວງພະບາງ, ຫຼວງພະບາງ, pronounced ), historically known as Xieng Thong (ຊຽງທອງ) and alternatively spelled Luang Phabang or Louangphabang, is the capital of Lu ...
,
Vang Vieng,
Vientiane
Vientiane (, ) is the capital city, capital and largest city of Laos. Situated on the banks of the Mekong, Mekong River at the Thailand, Thai border, it comprises the five urban districts of Vientiane Prefecture and had a population of 840,000 ...
,
Nong Khai,
Udon Thani,
Khon Kaen,
Nakhon Ratchasima, and
Saraburi until its terminus at
AH1 in
Nong Khae District,
Saraburi Province,
Thailand
Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...
.
The highway has been in use since 8 April 1994. Its US$30 million cost was financed by Laos and Thailand, apart from the
First Thai-Lao Friendship Bridge, funded by the Australian government as
development aid
Development aid (or development cooperation) is a type of aid given by governments and other agencies to support the economic, environmental, social, and political International development, development of developing countries. It is distinguishe ...
for Laos.
[ ]
Sections
Laos
* : Nateuy–Vientiane
*
Route 450: Vientiane–Thanaleng (
Vientiane Prefecture),
First Thai–Lao Friendship Bridge
Thailand
* (Mittraphap Road): Nong Khai–Saraburi
* (Phahonyothin Road): Saraburi–Hin Kong, Nong Khae District
References
{{AHN
Roads in Laos
Highways in Thailand
Asian Highway Network