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What happened

Location : The A1M northbound entry slip at junction J15 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

RoadA1
SeverityModerate
StatusCleared
DirectionNorthbound
Started07:09, 30 Jun 2026

Incident timeline

  1. First report

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  2. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  3. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 31 minutes. Delays of 10 minutes still recorded. Monitoring continues.

  4. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  5. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 6m. Delays of 10 minutes still recorded. Monitoring continues.

  6. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  7. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 41m. Delays of 10 minutes still recorded. Monitoring continues.

  8. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  9. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 21m. Delays of 10 minutes still recorded. Monitoring continues.

  10. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  11. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 1m. Delays of 10 minutes still recorded. Monitoring continues.

  12. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  13. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 36m. Delays of 10 minutes still recorded. Monitoring continues.

  14. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  15. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 11m. Delays of 10 minutes still recorded. Monitoring continues.

  16. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  17. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 4h 51m. Delays of 10 minutes still recorded. Monitoring continues.

  18. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  19. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 5h 26m. Delays of 10 minutes still recorded. Monitoring continues.

  20. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  21. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 1m. Delays of 10 minutes still recorded. Monitoring continues.

  22. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  23. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 6h 36m. Delays of 10 minutes still recorded. Monitoring continues.

  24. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  25. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 11m. Delays of 10 minutes still recorded. Monitoring continues.

  26. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  27. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 7h 46m. Delays of 10 minutes still recorded. Monitoring continues.

  28. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  29. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 8h 26m. Delays of 10 minutes still recorded. Monitoring continues.

  30. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  31. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 9h 1m. Delays of 10 minutes still recorded. Monitoring continues.

  32. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  33. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 9h 41m. Delays of 10 minutes still recorded. Monitoring continues.

  34. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  35. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 10h 21m. Delays of 10 minutes still recorded. Monitoring continues.

  36. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  37. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 10h 56m. Delays of 10 minutes still recorded. Monitoring continues.

  38. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  39. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 11h 36m. Delays of 10 minutes still recorded. Monitoring continues.

  40. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  41. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 11m. Delays of 10 minutes still recorded. Monitoring continues.

  42. Update

    Location : The A1M northbound entry slip at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 07:00 and 07:15 on 30 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

Wording from National Highways, recorded as it changed.

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A1 — A1(M) J15 northbound access | Northbound | Congestion Full details: https://uktrafficupdates.uk/traffic/incidents/26197629-a1m-j15-northbound-access-northbound-congestion/

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