Changes to X74 and M40 timetables from 6 September 2026

All areas

  • Location
    X74 & M40 services between High Wycombe, Slough and Uxbridge
  • Cause
    Timetable revision to improve reliability and punctuality.
  • Responsibility
    First Bus
  • Effective
    06/09/2026 - 24/12/2026

From Sunday 6 September 2026, revised timetables will be introduced on the X74 and M40 services.

The Monday to Saturday timetables have been updated to improve reliability and punctuality across both routes.

There are no changes to Sunday timetables and no changes to the routes served.

Please check the updated timetables before travelling:

X74 timetable
M40 timetable

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