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What happened

The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

RoadM40
SeveritySevere
StatusCleared
DirectionNorthbound
Started12:49, 7 Aug 2026
Cleared16:50, 7 Aug 2026

Incident timeline

  1. First report

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  2. Update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  3. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 46 minutes. Delays of 120 minutes still recorded. Monitoring continues.

  4. Update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  5. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 21m. Delays of 120 minutes still recorded. Monitoring continues.

  6. Update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  7. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 56m. Delays of 120 minutes still recorded. Monitoring continues.

  8. Update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  9. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 31m. Delays of 120 minutes still recorded. Monitoring continues.

  10. Update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  11. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 6m. Delays of 120 minutes still recorded. Monitoring continues.

  12. Update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  13. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 41m. Delays of 120 minutes still recorded. Monitoring continues.

  14. Update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

  15. Update

    ✅ Incident cleared — M40 reopened at 16:50 on 7 Aug 2026. Total disruption: 4h 1m. All lanes open, traffic returning to normal.

  16. Final update

    The M40 in Oxfordshire is closed northbound between J10 and J11 due to a serious collision.

Wording from National Highways, recorded as it changed.

More on the M40

All M40 incidents

Share this incident

M40 — M40 | Oxfordshire | Carriageway Closure | Severe Delays 2 hours Full details: https://uktrafficupdates.uk/traffic/incidents/26212245-m40-oxfordshire-carriageway-closure-severe-delays-2-hours/

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