M25 junction 28 - Information Portal

Welcome to the information webpage for the M25 junction 28 improvement scheme.


The M25 junction 28 plays a vital role in connecting the M25 with the A12, as well as providing local access to Brentwood and the A1023 Brook Street. At peak times up to 7,500 vehicles per hour pass through this heavily used junction, resulting in queues and delays.

We’re carrying out a number of improvements to improve the flow of traffic, providing a safer and more integrated network for everyone, and bring real benefits to the drivers who use this junction daily.

We’ll be starting our preparation work in summer 2022, with the main construction beginning in October 2022. Our scheme is expected to be open for traffic in summer 2025, with planting and landscaping continuing off network for a short time afterwards.

From this page you’ll be able to find out more about the scheme, our construction plans, how we’re looking after the environment and more.

Scheme at a glance
The M25 junction 28 loop road;
Scheme in detail
Visualisation of the improvements;
How we'll deliver our improvements
A manned digger doing construction work;
Fly through video
Fly through video visualisation;
Looking after the environment
Looking after the environment on the scheme;
Give us your feedback

Want to know more?

We’ll be posting regular updates on our scheme webpage, where you can also sign up to our newsletters.

If you would like to contact the project team with any questions, you can email us or call us our customer contact centre on 0300 123 5000, available 24/7, who will pass your query on to the team.

We’ll also be posting information about any road closures and progress on our social media channels. You can follow us on Twitter and Facebook.