Sadao-Padang Besar Highway (Highway 4054, Thai: ทางหลวงแผ่นดินหมายเลข 4054) is a major secondary highway in Songkhla Province of Thailand.

The highway also goes to the Malaysia-Thailand border and it becomes Malaysia Federal Route 7.

SOUTH Hwy 4 AH2 ด่านนอก Dannok Hwy 4 AH2 ด่านพรมแดนสะเดา Sadao Checkpoint AH2 บูเก๊ะกายูฮีตำ Bukit Kayu Hitam (Malaysia)||T-junctions

SOUTH FT 79 Kampong Ulu Pauh FT 79 Changlun||T-junction

This Thailand road article is a stub.