The six bus licence classes
- Bas Berhenti-Henti (Stop Bus) — repeated runs along an APAD-approved route with tiered fares at designated stops.
- Bas Ekspres (Express Bus) — Economy and Executive service types; routes under 32 km without fare stages.
- Bas Pengantara (Feeder Bus) — circular service within a 7 km radius from a fixed base.
- Bas Sekolah (School Bus) — exclusive use for school students or staff.
- Bas Pekerja (Worker Bus) — employee shuttle to and from workplaces.
- Bas Carter (Charter Bus) — entire bus hired for a single trip ("disewa seluruhnya bagi satu perjalanan").
Bas Persiaran (cruise / sightseeing buses) operate as tourism vehicles and are licensed under the tourism vehicle category.