Route
Junction number
2
Markerpost
40.5 km
Name
Wrotham Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A20, A227
Authority
Restricted turns
Some turns restricted
Services
No services
M20 J2 Wrotham Interchange
Layout and signage
A227 A20 |
|
A20 A227 |
Paddock Wood Wrotham A20 (B2016) Gravesend Tonbridge (A227) |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
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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.
The forever bottleneck, part 1
The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.
Have you seen...
To the Limit
Speed limits are more emotive and divisive than almost anything else about the road network. How do you sort the fact from the opinion? And how did we end up with the speed limits we have?
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