· 일반 간선버스 : 제주시와 서귀포시를 오가는 간선버스 · 급행버스 : 일반 간선버스 노선 중 주요 관광지에만 정차하는 버스 · 관광지 순환버스 : 제주 중산간 지역 주요 관광지를 순환하는 버스 · 공항 리무진 버스 : 제주 국제공항에서 서귀포시까지 이동하는 가장 빠른 버스

- General Trunk Buses: Buses going between Jeju City and Seogwipo City
- Express Buses: Buses that stop only at major tourist spots among the general trunk bus routes
- Tourist Circular Buses: Buses circling major tourist spots in the Jeju mid-mountain area
- Airport Limousine Buses: The fastest buses traveling from Jeju International Airport to Seogwipo City
· General trunk bus: Bus that travels between Jeju City and Seogwipo City · Express bus: Bus that stops only at major tourist destinations among regular bus routes · Tourist attraction circulation bus: Bus that circulates major tourist attractions in the mid-mountainous region of Jeju · Airport limousine bus: From Jeju International Airport The fastest bus to Seogwipo City