A12 maintenance work between junction 25 and junction 32
The A12 in this area requires maintenance work to improve the overall condition of the road.
Latest updates
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08 December 2023
Road closed, Monday 18 December
Please find the updated closures and diversion information in the table below.
Date
Closure details
Diversion routes
Monday 18 December
The road will be closed overnight between 9pm and 5am.
Full closure of the A12 southbound between 29 (Stanway) and junction 27.
Traffic will exit at junction 29 Ardleigh Crown Interchange and travel along A1232 and A133 and re-join the A12 southbound at junction 26.
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30 October 2023
New October and November road closure dates
Due to the heavy rain we’ve had and are expecting in the area over the coming days, we are having to change the dates for some of our planned road closures.
Please find the updated closures and diversion information in the table below. The road will be closed overnight between 9pm and 5am on each of the following nights:
Date
Closure details
Diversion routes
Friday 20, Sunday 22 and Friday 27 October 2023
and
Sunday 29 October to Sunday 5 November 2023
Full closure of the A12 northbound carriageway between Junction 25 Marks Tey and Junction 26 Stanway
Note: Closure extended to Junction 27 during Monday 30 October to 3 November
Traffic will exit at J25 Marks Tey and travel along B1408, A1124 and re-join the A12 at J26 Stanway
When junction 27 is closed, traffic will exit at J25 Marks Tey and travel along B1408, London Road, Cymbeline Way, Ipswich road to A12 at J29 Ardleigh Crown
Monday 6 November 2023
Full closure of the A12 southbound between J29 Ardleigh Crown Interchange and J25 Marks Tey
Traffic will exit at J29 Ardleigh Crown Interchange and travel along A1232, A133, B1408 and re-join the A12 southbound at J25 Marks Tey entry slip
Monday 6 November 2023 to Wednesday 8 November
Closure J25 northbound
Traffic will exit at A12 J25 northbound to A120 Marks Farm roundabout, A120 north link and re-enter the A12 northbound at J25
Saturday 28 October 2023
and
Tuesday 7 November to Sunday 12 November 2023
Full closure of the A12 southbound carriageway between J26 Stanway and J25 Marks Tey
Traffic will exit at J26 Stanway and travel along the A1124, B1408 and re-join the A12 at J25 Marks Tey
Saturday 28 October 2023
and
Tuesday 7 November to Sunday 12 November 2023
Full closure of the J27 southbound entry slip road
Traffic wanting to join the A12 southbound will take Cymbeline Way, B1408 and join the A12 southbound at J25 Marks Tey entry sli
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13 October 2023
October closures
The maintenance taking place between junction 26 and junction 33 is now nearing completion. This has included resurfacing and renewal of safety fence, road markings, traffic signs and drainage.
Where possible, the remaining work will be done using lane closures. We plan to complete the work in November. Please visit this page for further updates.
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04 September 2023
September closures
Maintenance work is taking place between junction 25 Marks Tey and junction 29 Ardleigh Crown Interchange, to replace safety barriers and signage. These works will take place overnight between 9pm to 5am on the following nights.
Date of closure Closure details Diversion Route Monday 18 to Friday 22 September Full closure of the A12 northbound carriageway between J25 Marks Tey and J29 Ardleigh Crown Interchange Traffic will exit at J25 Marks Tey and travel along B1408, A133, A1232 and re-join the A12 northbound at J29 Ardleigh Crown Interchange entry slip -
08 August 2023
Upcoming closures
We’ll be carrying out a range of maintenance work on the A12 between junction 25 and junction 32. These projects will be undertaken in various phases, running until September 2023.
Northbound junction 29 to 32
- September 2023 (dates to be confirmed)
Northbound traffic will be diverted off A12 at junction 29 to A120 Crown Interchange to follow the A1232 and A137 before joining the A14 at junction 56
Southbound junction 29 to 25
- Thursday 3 August to 8 August – J29 to J26
- Tuesday 8 August to Thursday 10 August – J29 to J25
- Thursday 10 August to Saturday 12 August – J29 to J26
- Saturday 12 August to Thursday 17 August – J29 to J27
Whilst we are working, southbound traffic will be diverted off the A12 at junction 29 onto Ipswich Road, Cowdray Avenue, Colne Bank Avenue and Cymbeline Way to re-join the A12 at junction 27, 26 or 25 as per above schedule.
All work will be undertaken between 8pm and 6am on weeknights only.
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10 March 2023
National Highways Public Engagement Event – Monday 13 March
National Highways are holding a Public Information Exhibition on Monday 13 March from 10:30am to 4pm, at Venture Centre 2000.
Our engagement van will be deployed at this location where staff will be available to give information about our ongoing and upcoming works, specifically along the A12 between junctions 25 and 32.
The address for the event is below:
Venture Centre 2000
Bromley Road
Lawford
Manningtree
Essex
CO11 2JE
Project information
Work between junction 25 and junction 32 will include barrier replacement, drainage renewal, resurfacing, road studs, road lining placement and other safety improvements. The work here is essential and will contribute to the life expectancy of the road and make journeys safer for motorists.
We will be utilising these closures by carrying out as much work as possible to prevent the need for further closures in the near future.
The safety barrier upgrade will improve and prevent cross over incidents.
Resurfacing, renewing the road markings and road studs will improve the safety of the road surface.
The new drainage system will prevent flooding issues and emergency lane closures.
Documents
Related Road projects
Traffic information
Information about scheduled roadworks and events on our motorways and major roads.X
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