| Service | Between | And | Notes | ||
|---|---|---|---|---|---|
| SBS Transit Trunk Services | |||||
| 27 | Hougang Central Bus Interchange | Changi Airport PTB 1, 2 & 3 Bus Terminal | Euro IV | ||
| 83 | Punggol Bus Interchange | Sengkang Bus Interchange (loop) | |||
| 89 | Hougang Central Bus Interchange | Changi Airport Cargo Complex (loop) | |||
| SBS Transit Fast Forward Services | |||||
| 89e | Hougang Central Bus Interchange | Changi Airport Cargo Complex | peak hours one directional service | ||
| SBS Transit Cityshopper Services | |||||
| 578 | Compassvale Street | Orchard Road/Suntec City (loop) | |||
| SMRT Buses Trunk Services | |||||
| 965 | Woodlands Regional Bus Interchange | Sengkang Bus Interchange | |||