AH16
 | ||||
|---|---|---|---|---|
 Map of AH16 in red | ||||
 AH16 in Thailand | ||||
| Route information | ||||
| Length | 1,031 km (641 mi) | |||
| Major junctions | ||||
| West end | Tak, Thailand | |||
| East end | Đông Hà, Vietnam | |||
| Location | ||||
| Countries |  Thailand Laos Vietnam | |||
| Highway system | ||||
| ||||
Asian Highway 16 (AH16) is a road in the Asian Highway Network running 1,031 kilometres (641 mi) from Tak, Thailand to Đông Hà, Vietnam connecting AH1 and AH2 to AH1 after AH1 takes a turn from south to North after crossing Cambodia. The route is as follows:
Thailand
Route 12: Tak (
AH1
AH2) - Phitsanulok (
AH13)- Khon Kaen (
AH12) - Somdet - Mukdahan
Route 212: Mukdahan - Bang Sai Yai
Route 239: Second Thai–Lao Friendship Bridge
Laos
Route 9W: Savannakhet - Xeno
Route 13: Xeno (concurrent with 
AH11 for 3 km)
Route 9E: Xeno - Xépôn - Dansavan
Vietnam
| Across the whole continent |  | |
|---|---|---|
| Southeast Asia | ||
| East Asia, Northeast Asia and Southeast Asia | ||
| South Asia | ||
| North Asia, Central Asia and Southwest Asia | ||