Route
Junction number
28
Markerpost
Unknown
Name
Tredegar Park Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A48, A467
Authority
Restricted turns
Full access
Services
No services
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
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