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 AH2 Hat Yai

AH2 Johor Bahru