Route
Junction number
7
Markerpost
59.5 km
Name
Detling Interchange
Terminus
Not a terminus
Other routes
A249
Authority
Restricted turns
Full access
Services
No services
M20 J7 Detling Interchange
Layout and signage
|
Maidstone Sittingbourne Sheerness A249 |
A249 | 
|
A249 |
Maidstone Sheerness Canterbury Ramsgate A249 |
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
Other events
Variable Speed Limits apply
National Speed Limit begins
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.
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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...
Oxfordshire Signs
This is the story of one man at Oxfordshire County Council who pre-empted the development of modern road signs - much to the annoyance of the men from the Ministry.
About this page
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Published
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