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Asian Highway 18
Major junctions
North end	Hat Yai, Songkhla, Thailand
South end	Johor Bahru, Johor, Malaysia
Location
Countries	Thailand, Malaysia
Highway system
Asian Highway Network
← AH17 → AH19

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

• Highway 43 : Hat Yai - Nong Chik
• Highway 42 : Nong Chik - 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

• FT 3 : Rantau Panjang - Johor Bahru

AH2 Hat Yai
AH2 Johor Bahru