Route
Junction number
25A
Markerpost
Unknown
Name
Grove Park Interchange
Type
Terminus
Not a terminus
Other routes
A4042
Authority
Restricted turns
Some turns restricted
Services
No services
M4 J25A Grove Park Interchange
Layout and signage
 Usk
|
A4042 |
|
Casnewydd Newport Cwmbran A4042 Usk
|
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
Farewell GLC lights
Why am I all nostalgic about some street lights being replaced?
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.
Have you seen...
Hogarth Flyover
It makes the traffic situation in one part of West London much more bearable but it should have been removed more than quarter of a century ago. It's amazing what you can do with a big Meccano kit.
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