Route
Junction number
None
Markerpost
7.6 km
Name
Rat Trap Junction
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A361, B4143
Authority
Restricted turns
Full access
Services
No services
A419 Rat Trap Junction
Layout and signage
|
Stratton St Margaret B4143 Highworth A361 |
B4143 |
|
A361 |
Stratton St Margaret B4143 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
What's new
The monster seen from below
What might it have been like to stand in one spot and witness the arrival, and the uncertainty, of plans for an urban motorway in West London?
The road that made no sense
It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.
The forever bottleneck, part 2
The second part of the story, where we learn why exactly the M4 gets narrower on the final approach to Europe’s biggest city.
Have you seen...
Operation Stack
If there's trouble crossing the Channel, you'll see the lorries queuing on the M20. What is Operation Stack? Why does it cause so much trouble? And why, more than twenty years after it started, are we still using it?
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Published
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