- Route
-
X4
- Operator
-
Arriva
- Route description
-
This route serves:
- Milton Keynes (until 30 August 2025)
- Bletchley (until 30 August 2025)
- Heath and Reach
- Leighton Buzzard
- Leighton Buzzard Narrow Gauge Railway
- Sandhills
- Wing
- Aylesbury
- Traveline link
- Changes to this service
-
This route has a timetable change from 31 August 2025. Additional journeys to Heath and Reach are under consideration.