Route
Junction number
29
Markerpost
232.3 km
Name
Castleton Interchange
Type
Terminus
Not a terminus
Other routes
A48(M)
Authority
Restricted turns
Some turns restricted
Services
No services
M4 J29 Castleton Interchange
Layout and signage
|
A48(M) |
Caerdydd (Dn a D) Cardiff (E & S) A48(M) Link |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
The Ringways Map is here
The wait is over! The full map of the Ringways, London’s unbuilt urban motorway network, is now online. Not even the system's planners had anything like this.
Red, white and blue
Kent County Council is run by eurosceptic nationalists. So why are they putting EU flags on their road signs?
The sunlit uplands
On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.
Have you seen...
Road signs
A field guide to the UK's road signs, explaining the colours, shapes, symbols and everything else you need to know to avoid putting a foot (or a wheel) wrong.
About this page
Published
Last updated
Published
Last updated
