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What happened

Location : The A12 southbound at junction J15 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

RoadA12
SeverityModerate
StatusCleared
DirectionSouthbound
Started22:21, 29 Jun 2026

Incident timeline

  1. First report

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  2. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 34 minutes. Delays of 10 minutes still recorded. Monitoring continues.

  4. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 9m. Delays of 10 minutes still recorded. Monitoring continues.

  6. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 49m. Delays of 10 minutes still recorded. Monitoring continues.

  8. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 24m. Delays of 10 minutes still recorded. Monitoring continues.

  10. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 2h 59m. Delays of 10 minutes still recorded. Monitoring continues.

  12. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 34m. Delays of 10 minutes still recorded. Monitoring continues.

  14. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 9m. Delays of 10 minutes still recorded. Monitoring continues.

  16. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 44m. Delays of 10 minutes still recorded. Monitoring continues.

  18. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 19m. Delays of 10 minutes still recorded. Monitoring continues.

  20. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 5h 54m. Delays of 10 minutes still recorded. Monitoring continues.

  22. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 29m. Delays of 10 minutes still recorded. Monitoring continues.

  24. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 4m. Delays of 10 minutes still recorded. Monitoring continues.

  26. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 39m. Delays of 10 minutes still recorded. Monitoring continues.

  28. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 14m. Delays of 10 minutes still recorded. Monitoring continues.

  30. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 8h 54m. Delays of 10 minutes still recorded. Monitoring continues.

  32. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 29m. Delays of 10 minutes still recorded. Monitoring continues.

  34. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 4m. Delays of 10 minutes still recorded. Monitoring continues.

  36. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 39m. Delays of 10 minutes still recorded. Monitoring continues.

  38. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 14m. Delays of 10 minutes still recorded. Monitoring continues.

  40. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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 11h 49m. Delays of 10 minutes still recorded. Monitoring continues.

  42. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  43. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 24m. Delays of 10 minutes still recorded. Monitoring continues.

  44. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  45. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 12h 59m. Delays of 10 minutes still recorded. Monitoring continues.

  46. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  47. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 13h 39m. Delays of 10 minutes still recorded. Monitoring continues.

  48. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  49. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 14h 14m. Delays of 10 minutes still recorded. Monitoring continues.

  50. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  51. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 14h 49m. Delays of 10 minutes still recorded. Monitoring continues.

  52. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  53. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 24m. Delays of 10 minutes still recorded. Monitoring continues.

  54. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  55. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 15h 59m. Delays of 10 minutes still recorded. Monitoring continues.

  56. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  57. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 16h 34m. Delays of 10 minutes still recorded. Monitoring continues.

  58. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  59. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 17h 14m. Delays of 10 minutes still recorded. Monitoring continues.

  60. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  61. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 17h 49m. Delays of 10 minutes still recorded. Monitoring continues.

  62. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  63. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 18h 29m. Delays of 10 minutes still recorded. Monitoring continues.

  64. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  65. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 19h 9m. Delays of 10 minutes still recorded. Monitoring continues.

  66. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  67. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 19h 44m. Delays of 10 minutes still recorded. Monitoring continues.

  68. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  69. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 20h 24m. Delays of 10 minutes still recorded. Monitoring continues.

  70. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 June 2026.
    Delay : There are currently delays of 10 minutes against expected traffic.

  71. Update

    ⏱ Still active — no changes from National Highways. Incident ongoing for 20h 59m. Delays of 10 minutes still recorded. Monitoring continues.

  72. Update

    Location : The A12 southbound at junction J15 .
    Reason : Congestion.
    Status : Currently Active.
    Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 29 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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A12 — A12 southbound within J15 | Southbound | Congestion Full details: https://uktrafficupdates.uk/traffic/incidents/26197112-a12-southbound-within-j15-southbound-congestion/

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