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We want to address congestion issues on the M4 corridor between junctions 35 and 49.

First published:
22 October 2019
Last updated:

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This project is under review

This project is currently being considered as part of the roads review.


Project Status: planned
Region/county: South-east

Why we are doing it?

We want to improve the travel experience.

Current progress

We have completed the M4 junction 35 to 49 strategic outline case WelTAG stage 1 report.

Next steps

Short, medium and long term improvements have been identified. These will now progress to Stage 2 WelTAG study for further review.