Route
Junction number
M4 J29
Markerpost
Unknown
Name
Castleton Interchange
Type
Terminus
Terminus at top of exit list
Other routes
M4
Authority
Restricted turns
Some turns restricted
Services
No services
A48(M) (M4 J29) Castleton Interchange
Layout and signage
|
Casnewydd Newport M4 Link |
M4 |
|
M4 |
N/A |
Lane configuration
- Lane 1 terminates.
- Lane 2 terminates.
- Lane 1 continues ahead.
- Lane 2 continues ahead.
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...
New Medway Viaducts
Taken over the course of two years, from 2002 to 2003, these sixteen images chart the construction of two new bridges alongside the M2 Medway Viaduct.
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