Junction number
None
Markerpost
Unknown
Name
Unknown
Other routes
None
M4 J28 Tredegar Park Interchange
Layout and signage
|
Casnewydd Newport A48 Risca Brynmawr A467 |
A467 | 
|
A48 A48 |
Casnewydd Newport A48 Risca Brynmawr A467 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
Other events
50mph speed limit begins
National Speed Limit begins
What's new
Silver bullet
The Silvertown Tunnel is finally open for business. One question remains: what’s it for?
Skid Risk, Accident, Fog
For the first time, we can share pictures of the pioneering experiment that lit up the Worcestershire countryside with enormous signs 61 years ago.
All change
In July 2024, a new Government entered office with a very different set of priorities. What does it mean for a faltering roads programme?
Have you seen...
To the Limit
Speed limits are more emotive and divisive than almost anything else about the road network. How do you sort the fact from the opinion? And how did we end up with the speed limits we have?
About this page
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