M40 High Wycombe to Uxbridge via Wycombe Marsh, Loudwater

Operated by First Berkshire & The Thames Valley. First bus 05:15, last bus 19:35. 53 journeys on weekdays. Fares: adult single £2.50 to £3.00 — more.

Next towards Uxbridge from High Wycombe BusStn (Bay 17): tomorrow 05:15

Next towards High Wycombe from York Road (UB8) (Stop W): tomorrow 06:50

Wanted a different M40? 1 other bus route is numbered M40 elsewhere in the UK — see every M40 bus timetable by area.

Timetable

Ends at York Road (Stop V) Uxbridge Station · Monday to Friday · 27 journeys
Stop 05:1506:1006:4007:1007:4008:1008:4009:1009:4010:1010:4011:1011:4012:1012:4013:1013:4014:1014:4015:1015:4016:2016:5017:2017:5018:1518:45
High Wycombe BusStn (Bay 17) 05:1506:1006:4007:1007:4008:1008:4009:1009:4010:1010:4011:1011:4012:1012:4013:1013:4014:1014:4015:1015:4016:2016:5017:2017:5018:1518:45
London Road Lidl (Opp) 05:2306:1806:4807:1807:4908:1908:4909:1909:4910:1910:4911:1911:4912:1912:4913:1913:4914:1914:4915:2015:5016:3017:0017:3018:0018:2318:53
The Papermill (o/s) 05:3106:2606:5607:2607:5708:2708:5709:2709:5710:2710:5711:2711:5712:2712:5713:2713:5714:2714:5715:2815:5816:3817:0817:3818:0818:3119:01
York Road (UB8) (Stop V) 05:5006:4507:1507:4508:1608:4609:1609:4610:1610:4611:1611:4612:1612:4613:1613:4614:1614:4615:1615:4716:1716:5717:2717:5718:2718:5019:20

Each column is one journey, headed by the time it sets off. Times are shown at the route's main timing stops — buses serve all stops in between. Switch a table to All stops for every stop it calls at, or open a stop's own page for live departures there.

Most single fares in England are capped at £3 until 31 Dec 2026, then £2 — check with First Berkshire & The Thames Valley whether this route takes part. Details →

Fares on the M40

Adult single £2.50 to £3.00 · Child single £1.30 to £1.50

Adult single fare table, stage to stage
£2.50 Wycombe Marsh, Post Office
£3.00£3.00 Knighton Way Lane
£3.00£2.50£3.00 Loudwater, The Papermill
£3.00£3.00£2.50£3.00 Uxbridge

Read along the row of the stage you travel to, to the column below the stage you board at; the first stage is High Wycombe.

First Bus's published fares on the Bus Open Data Service, in force from 23 August 2026. A fare stage is a group of neighbouring stops that are priced the same. Fares change — check with First Berkshire & The Thames Valley before you travel.

Tickets on the M40

First Berkshire & The Thames Valley publishes singles and returns on this route for adults and children.

Adult Return · Adult Single · Child Return · Child Single

Ticket types come from First Berkshire & The Thames Valley's own fares data on the Bus Open Data Service, last updated 4 September 2026. Prices for singles and returns are under Fares above; for the others, check with First Berkshire & The Thames Valley.

Christmas & bank holidays

These dates are not the usual timetable for the day they fall on. They come from the operator’s published data, which for Christmas and New Year is often late or incomplete, so check with First Berkshire & The Thames Valley before you travel. Everything above is an ordinary week.

Not published yet: Christmas Eve, Christmas Day, Boxing Day, 28 December, New Year's Eve and New Year's Day. Operators often publish festive timetables only a few weeks ahead, so check again nearer the date.

Route map

All stops on route M40

M40 towards Uxbridge

All 18 stops
  1. High Wycombe BusStn (Bay 17) High Wycombe
  2. Oxford Street (Stop J) High Wycombe
  3. High Street (Stop R) High Wycombe
  4. Trinity Church (o/s) High Wycombe
  5. Cricket Ground (Opp) High Wycombe
  6. Chestnut Avenue (opp) High Wycombe
  7. London Road Lidl (Opp) High Wycombe
  8. Post Office (Opp) Wycombe Marsh
  9. Ford Street (Opp) Wycombe Marsh
  10. The King George V PH (Opp) Wycombe Marsh
  11. Hammersley Lane (adj) High Wycombe
  12. Rayners Avenue (adj) Loudwater
  13. Loudwater Turn (Opp) Loudwater
  14. The Papermill (o/s) Loudwater
  15. Knighton Way Lane (Opp) New Denham
  16. Oakside (adj) New Denham
  17. Belmont Road (Stop D) Uxbridge
  18. York Road (UB8) (Stop V) Uxbridge

M40 towards High Wycombe

All 19 stops
  1. York Road (UB8) (Stop W) Uxbridge
  2. Uxbridge High Street (Stop A) Uxbridge
  3. Oakside (Opp) New Denham
  4. Knighton Way Lane (adj) New Denham
  5. The Papermill (opp) Loudwater
  6. Loudwater Turn (Opp) Loudwater
  7. Loudwater Turn (adj) Loudwater
  8. Rayners Avenue (opp) Loudwater
  9. Hammersley Lane (Opp) High Wycombe
  10. The King George V PH (adj) Wycombe Marsh
  11. Ford Street (adj) Wycombe Marsh
  12. Post Office (o/s) Wycombe Marsh
  13. London Road Lidl (Adj) High Wycombe
  14. Chestnut Avenue (adj) High Wycombe
  15. Cricket Ground (adj) High Wycombe
  16. Trinity Church (opp) High Wycombe
  17. High Street (Stop S) High Wycombe
  18. Oxford Street (Stop K) High Wycombe
  19. High Wycombe BusStn (Bay 18) High Wycombe

Towns & areas on this route

High WycombeUxbridgeWycombe MarshLoudwaterNew Denham

Frequently asked questions

What time is the first M40 bus?

The first M40 departure on weekdays leaves at 05:15 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).

What time is the last M40 bus?

The last M40 on weekdays leaves its first stop at 19:35. Always check the timetable for your specific stop — later stops are reached after this time.

How much does the M40 bus cost?

First Berkshire & The Thames Valley's published fares on the M40: adult single £2.50 to £3.00, child single £1.30 to £1.50. Most single fares in England are capped at £3 until 31 December 2026 (then £2 from 1 January 2027). First Berkshire & The Thames Valley day and weekly tickets can work out cheaper if you travel more than twice a day.

Who runs the M40 bus?

The M40 is operated by First Berkshire & The Thames Valley.

Timetable data from First Berkshire & The Thames Valley via the DfT Bus Open Data Service (South East England feed). Check before you travel — services can change at short notice.