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
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.
Grand openings
Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.
Have you seen...
The Improbable A39
It crosses cattle grids and untamed moorland, it climbs 1-in-4 hills and plummets through hairpin bends, it runs single-track through woodland and historic villages. It's rugged and beautiful. Is it really the A39?
About this page
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