| Country: | ASIA |
| Type: | AH |
| Route: | 18 |
| Direction A: | North |
| Terminus A: | Hat Yai, Songkhla, Thailand |
| Direction B: | South |
| Terminus B: | Johor Bahru, Johor, Malaysia |
| Countries: | Thailand, Malaysia |
| Previous Type: | AH |
| Previous Route: | 17 |
| Next Type: | AH |
| Next Route: | 19 |
Asian Highway 18 is a highway route included in Asian Highway Network, running from Hat Yai in Thailand to Johor Bahru, Malaysia.[1] Route AH18 runs along main eastern coastal road in southern Thailand and also along Federal Route 3 of Malaysia.
Asian Highway 18 connects these cities in Thailand: Hat Yai - Pattani - Narathiwat - Tak Bai - Su-ngai Kolok
Asian Highway 18 connects these cities in Malaysia: Rantau Panjang - Pasir Mas - Kota Bharu - Pasir Puteh - Kuala Terengganu - Marang - Kuala Dungun - Paka - Chukai - Balok - Kuantan - Pekan - Mersing - Johor Bahru
Hat Yai
Johor Bahru