A12 roadworks

Live and upcoming roadworks, closures and disruption on the A12 across the UK, from Department for Transport Street Manager data. Updated 9 June 2026.

• A12 Hacheston Northbound Slip On

  Suffolk County Council · 2026-03-16 → 2026-10-31
  Medium
• A12 Hacheston Northbound Slip On

  Suffolk County Council · 2026-03-16 → 2026-10-31
  Medium
• A12 Colchester Bypass Slip Off At J28 S

  National Highways · 2026-06-08 → 2026-06-09
  Medium
• A12 Colchester Bypass Slip Off At J28 S

  National Highways · 2026-06-08T19:00:00.000Z → 2026-06-09T04:00:00.000Z
  Medium
• A12 Melton

  Suffolk County Council · 2026-06-09 → 2026-06-11
  Minor
• A12 Woodbridge

  Suffolk County Council · 2026-06-10 → 2026-06-13
  Minor
• A12 Melton

  Suffolk County Council · 2026-06-11 → 2026-06-12
  High
• A12 Martlesham

  Suffolk County Council · 2026-06-11T19:00:00.000Z → 2026-06-12T02:00:00.000Z
  Medium
• A12 Uggeshall

  Suffolk County Council · 2026-06-14 → 2026-06-16
  Minor
• A12 Uggeshall

  Suffolk County Council · 2026-06-14T23:00:00.000Z → 2026-06-16T23:00:00.000Z
  Minor
• A12 Martlesham

  Suffolk County Council · 2026-06-15 → 2026-06-17
  Medium
• A12 Benacre

  Suffolk County Council · 2026-06-15 → 2026-06-17
  Medium
• A12 Martlesham

  Suffolk County Council · 2026-06-15T20:00:00.000Z → 2026-06-17T04:00:00.000Z
  Medium
• A12 Bredfield

  Suffolk County Council · 2026-06-17 → 2026-06-19
  High
• A12 Melton

  Suffolk County Council · 2026-06-17 → 2026-06-19
  High
• A12 Bredfield

  Suffolk County Council · 2026-06-17 → 2026-06-19
  High
• A12 Brightwell

  Suffolk County Council · 2026-06-17 → 2026-06-19
  Medium
• A12 Bucklesham

  Suffolk County Council · 2026-06-17 → 2026-06-19
  Medium
• A12 Brightwell

  Suffolk County Council · 2026-06-17T20:00:00.000Z → 2026-06-19T04:00:00.000Z
  Medium
• A12 Brightwell

  Suffolk County Council · 2026-06-17T20:00:00.000Z → 2026-06-19T04:00:00.000Z
  Medium
• A12 Bucklesham

  Suffolk County Council · 2026-06-18T20:00:00.000Z → 2026-06-20T04:00:00.000Z
  Medium
• A12 Bucklesham

  Suffolk County Council · 2026-06-18T20:00:00.000Z → 2026-06-20T04:00:00.000Z
  Medium
• A12 Benacre

  Suffolk County Council · 2026-06-21 → 2026-06-23
  Medium
• A12 Benacre

  Suffolk County Council · 2026-06-21T23:00:00.000Z → 2026-06-23T23:00:00.000Z
  Medium
• A12 Woodbridge

  Suffolk County Council · 2026-06-25 → 2026-06-27
  Medium
• A12 Henham

  Suffolk County Council · 2026-06-28 → 2026-06-30
  Medium
• A12 Henham

  Suffolk County Council · 2026-06-28T23:00:00.000Z → 2026-06-30T23:00:00.000Z
  Medium
• A12 Martlesham

  Suffolk County Council · 2026-06-29 → 2026-07-01
  Medium
• A12 Westbound Lea Interchange Slip

  Transport For London (Tfl) · 2026-06-30T18:00:00.000Z → 2026-06-30T22:59:00.000Z
  Minor
• A12 Brightwell

  Suffolk County Council · 2026-07-01 → 2026-07-03
  Medium
• A12 Martlesham

  Suffolk County Council · 2026-07-01 → 2026-07-03
  Medium
• A12 Uggeshall

  Suffolk County Council · 2026-07-02T23:00:00.000Z → 2026-07-06T23:00:00.000Z
  Minor
• A12 Bucklesham

  Suffolk County Council · 2026-07-03 → 2026-07-05
  Medium
• A12 Brightwell

  Suffolk County Council · 2026-07-03 → 2026-07-05
  Medium
• A12 Foxhall

  Suffolk County Council · 2026-07-07 → 2026-07-09
  Medium
• A12 Brightwell

  Suffolk County Council · 2026-07-09 → 2026-07-11
  Medium
• A12 Martlesham

  Suffolk County Council · 2026-07-09 → 2026-07-11
  Medium
• A12 Melton

  Suffolk County Council · 2026-07-11 → 2026-07-12
  High
• A12 Bredfield

  Suffolk County Council · 2026-07-11 → 2026-07-12
  High
• A12 Bredfield

  Suffolk County Council · 2026-07-11 → 2026-07-12
  High
• A12 From J A120/B1408 To J B1024 North Of Kelvedon Sw

  National Highways · 2026-07-12T23:00:00.000Z → 2026-07-12T23:00:00.000Z
  Medium
• A12 From J A120/B1408 To J B1024 North Of Kelvedon Sw

  National Highways · 2026-07-12T23:00:00.000Z → 2026-07-12T23:00:00.000Z
  Medium
• A12 From J A120/B1408 To J B1024 North Of Kelvedon Sw

  National Highways · 2026-07-13 → 2026-07-14
  Medium
• A12 Martlesham

  Suffolk County Council · 2026-07-13 → 2026-07-16
  Medium
• A12 From J A120/B1408 To J B1024 North Of Kelvedon Sw

  National Highways · 2026-07-13T08:00:00.000Z → 2026-07-13T12:00:00.000Z
  Medium
• A12 Brightwell

  Suffolk County Council · 2026-07-13T23:00:00.000Z → 2026-07-14T23:00:00.000Z
  Medium
• A12 Brightwell

  Suffolk County Council · 2026-07-13T23:00:00.000Z → 2026-07-14T23:00:00.000Z
  Medium
• A12 Woodbridge

  Suffolk County Council · 2026-07-16 → 2026-07-17
  Medium
• A12 Hasketon

  Suffolk County Council · 2026-07-17 → 2026-07-19
  Medium
• A12 Melton

  Suffolk County Council · 2026-07-17 → 2026-07-19
  Medium
• A12 Wickham Market

  Suffolk County Council · 2026-07-21 → 2026-07-25
  Medium
• A12 Hacheston

  Suffolk County Council · 2026-07-21 → 2026-07-23
  Medium
• A12 Ufford

  Suffolk County Council · 2026-07-21 → 2026-07-23
  Medium
• A12 Pettistree

  Suffolk County Council · 2026-07-21 → 2026-07-25
  Medium
• A12 Ufford

  Suffolk County Council · 2026-07-23 → 2026-07-25
  Medium
• A12 Hacheston

  Suffolk County Council · 2026-07-23 → 2026-07-25
  Medium
• A12 Blythburgh

  Suffolk County Council · 2026-07-31 → 2026-08-01
  Medium
• A12 Uggeshall

  Suffolk County Council · 2026-08-03 → 2026-08-04
  Medium
• A12 Melton

  Suffolk County Council · 2026-08-03 → 2026-08-07
  High
• A12 Henham

  Suffolk County Council · 2026-08-03 → 2026-08-04
  Medium
• A12 Bredfield

  Suffolk County Council · 2026-08-03 → 2026-08-07
  High
• A12 Kessingland

  Suffolk County Council · 2026-08-04 → 2026-08-06
  Medium
• A12 J A414/B1002 Leave Sw

  National Highways · 2026-08-04T18:00:00.000Z → 2026-08-06T03:00:00.000Z
  High
• A12 J A414/B1002 Leave Sw

  National Highways · 2026-08-04T20:00:00.000Z → 2026-08-06T04:00:00.000Z
  High
• A12 J B1002 Join Ne

  National Highways · 2026-08-24 → 2026-08-28
  High
• A12 J B1002 Join Ne

  National Highways · 2026-08-24T20:00:00.000Z → 2026-08-29T04:00:00.000Z
  High
• A12 J A414/B1002 Leave Sw

  National Highways · 2026-08-26 → 2026-08-28
  High

Councils on the A12