Route
Junction number
39
Markerpost
Unknown
Name
Groes Interchange
Type
Sliproad
Terminus
Not a terminus
Other routes
A48, A4241
Authority
Restricted turns
Some turns restricted
Services
No services
M4 J39 Groes Interchange
Layout and signage
 |
A4241 A48 |
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...
Reigate Tunnel
An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.
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