IMPORTANT INFORMATION: From Sunday 3rd June 2018, services A40/740 will be renumbered to 101/102. The section of route between Uxbridge and Heathrow Airport will unfortunately be withdrawn due to insufficient passenger usage. Alternative "Transport for London" services will still be available from Uxbridge to Heathrow.
High Wycombe - Beaconfield - Gerrards Cross - Uxbridge - Heathrow
Please note that Oyster cards are not accepted on the A40/740.