A12 Chelmsford to A120 Widening (Junctions 23 to 25) - October 2019

Closed 1 Dec 2019

Opened 21 Oct 2019

Results updated 28 Aug 2020

Preferred Route Announcement – Junctions 23 to 25

We made a Preferred Route Announcement in October 2019 confirming our plans for the first section of the scheme, from junction 19 (Boreham interchange) to junction 23 (Kelvedon south), more information can be found here.

We held a public consultation on four new route options between junctions 23 and 25 between 21 October and 1 December 2019. These new potential routes were to be considered if the proposed Colchester Braintree Borders Garden Community was given the go ahead.

We stated in our 2019 consultation that, if the proposed garden community did not go ahead, our preferred route for junctions 23 to 25 would be based on our 2017 consultation.

In May 2020, the Planning Inspector made his recommendation that the proposed garden community should be removed from the joint Local Plan. 

Therefore, as promised, we are announcing that our preferred route for junctions 23 to 25 is based on our 2017 consultation routes and has been selected based on factors including environmental impact, journey times, complexity of build, affordability, and feedback from the public.

You can find more detailed information on the Preferred Route Announcement for junctions 23 to 25 in the leaflet below.

We have also published the consultation report from the 2019 consultation as well as additional materials relating to this preferred route announcement for junctions 23 to 25.

For further information about what is happening next on the scheme please visit our scheme webpage.

We have also produced three summary videos to provide information about the work that has taken place on this scheme so far as well as what is happening next, these can be viewed by clicking the links below.

Why widen the A12 and background

Preferred route announcement explanation

You said, we did and next steps



Have your say

We're consulting on our proposed route options for the A12 Chelmsford to A120 widening between junctions 23 and 25, in the event that a proposed garden community development near Marks Tey goes ahead.

The consultation is open from 21 October to 1 December 2019.

We recommend that you read the consultation brochure and additional supporting material available below before responding to the consultation.

You can use the following methods to respond to this consultation:

  • Complete an online version of the response form by following the link below.
  • Send a paper copy of the response form to our freepost address (a stamp is not required): Freepost A12 WIDENING
  • Place a completed copy of the response form into a response box at one of our public consultation events.

To allow us time to collect and assess all responses to this consultation please ensure your response reaches us by 11.59pm on 1 December 2019

Public consultation events

One of the best ways to find out more about our proposals is to come along to one of our public consultation events. Here you can find out more about the A12 widening and speak to members of the project team who will be happy to answer any questions you may have:

Date Time Location

Saturday 2 November

Midday to 5pm

Best Western Hotel, London Road, Colchester, CO6 1DU

Tuesday 5 November

3pm to 8pm

Rivenhall Hotel, Rivenhall End, Witham, CM8 3HB

Friday 8 November

3pm to 8pm

Feering Community Centre, Coggeshall Road, Feering, Colchester, CO5 9QB

Monday 11 November

2pm to 7pm

Spring Lodge Community Centre, Powers Hall End, Witham, CM8 2HE

Thursday 14 November

3pm to 8pm

Civic Centre, Duke Street, Chelmsford, CM1 1JE

Friday 15 November

3pm to 8pm

Boreham Village Hall, Main Road, Boreham, Chelmsford, CM3 3JD

Saturday 16 November 

Midday to 5pm

Marks Tey Village Hall, Old London Road, Marks Tey, Colchester, CO6 1EJ

Tuesday 19 November 3pm to 8pm St Andrews Church, Church Road, Hatfield Peverel, CM3 2LE

Public information points

We have several locations where copies of our consultation documents are available:

Braintree District Council
Causeway House, Bocking End, Braintree, CM7 9HB
Chelmsford City Council
Customer Service Centre, Duke Street, Chelmsford, CM1 1JE
Colchester Library and Community Hub
Colchester Library, Trinity Square, Colchester, Essex, CO1 1JB
Essex County Council
County Hall, Market Road, Chelmsford, CM1 1QH
Hatfield Peverel Library
The Street, Hatfield Peverel, Chelmsford, CM3 2DP
Kelvedon Library
Aylett’s Foundation School, Maldon Road, Kelvedon, CO5 9BA
Maldon District Council
Council Offices, Princes Road, Maldon, Essex, CM9 5DL
Marks Tey Parish Council
Old London Road, Marks Tey, Colchester CO6 1EJ
St Mary’s Parish Church
Easthorpe Road, Easthorpe, Colchester CO5 9HD
Tiptree Library
Rectory Road, Tiptree, CO5 0SX
Witham Library
18 Newland Street, Witham, CM8 2AQ

Why your views matter


In 2017, we held a consultation to widen the A12 from Chelmsford to the junction with the A120. We presented four options for the stretch of road running from junctions 19 to 25.

You can read more about the 2017 consultation and its route options here.

Since then, the local authorities of Colchester, Braintree and Tendring have been pursuing a joint Local Plan which has proposed several garden communities. The joint Local Plan is currently subject to a public examination. For more information about the proposed garden communities please visit www.ne-gc.co.uk

The Planning Inspector has asked for more evidence from the councils to back up their joint Local Plan. For our part, a key piece of evidence is to show how the A12 between junctions 24 and 25 could be moved to consider the Colchester Braintree Borders Garden Community if it were to go ahead.

If the garden community does go ahead, it is likely to impact on the routes that we presented in our 2017 consultation, specifically on the section between junction 24 (Kelvedon North) and junction 25 (Marks Tey interchange).

We have therefore been reconsidering the possible road routes between these junctions. Also, a fourth lane in each direction between junctions 23 (Kelvedon South) and 24 (Kelvedon North) may be required.

Why do we need to improve the A12?

The A12 is an important economic link in Essex and across the east of England. It provides the main south-west/north-east route through Essex and Suffolk, connecting Ipswich to London and to the M25.

The section between Chelmsford and Colchester (junction 19 Boreham interchange to junction 25 Marks Tey interchange) carries high volumes
of traffic, with up to 90,000 vehicles every day. The resulting congestion
leads to delays and means that, during the morning commute, a driver’s
average speed is particularly slow in both directions for an A-road.

Heavy goods vehicles are between 9% and 12% of the traffic on this section due to its important freight connection, especially to Felixstowe and Harwich ports. It is also an important commuter route between Chelmsford and Colchester.

What happens next?

Development Consent Order

The A12 widening is classed as a Nationally Significant
Infrastructure Project under the Planning Act 2008. This means that we are required to make an application for a Development Consent Order (DCO) to obtain permission to construct the road.

Our application for development consent will be made on the full route, from junctions 19 to 25.

The application will be made to the Planning Inspectorate, who will examine the application. The examination process is likely to involve public hearings. Following the examination, the Planning Inspectorate will make a recommendation to the Secretary of State for Transport, who will decide whether the project will go ahead.

We intend to submit our application in 2021 and if approved, we expect to start construction in 2023.

Further information on the DCO process can be found on the National Infrastructure Planning website and also in our animation video below:


  • All members of the public


  • Roads