Route
Junction number
M4 J24
Markerpost
0.0 km
Name
Coldra Interchange
Terminus
Terminus at end of exit list
Other routes
M4, A48, B4237
Authority
Restricted turns
Full access
Services
No services
A449 (M4 J24) Coldra Interchange
Layout and signage
Lane configuration
- Lane 1 continues ahead.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 exits and does not return.
Other events
National Speed Limit begins
40mph speed limit begins
Traffic signals
What's new
London, in a new light
It was specially designed never to be noticed. And now it's disappearing, nobody has noticed its absence. It's London's own bespoke street light.
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?
Have you seen...
M1 Architecture
The most unique motorway in Britain owes its identity to its fifties architecture. Much of it is in danger of being removed or irreperably altered. This page documents it in detail.
About this page
Published
Last updated
Published
Last updated
