Route
Junction number
None
Markerpost
102.2 km
Name
Winthorpe Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A17, A46, B6166
Authority
Restricted turns
Full access
Services
No services
A1 Winthorpe Interchange
Layout and signage
|
Lincoln Newark-on-Trent A46 Sleaford A17 |
A46 (A617) B6166 |
|
A46 A17 |
Sleaford A17 Leicester Lincoln Newark-on-Trent A46 |
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
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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...
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?
About this page
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Last updated
Published
Last updated
