Route
Junction number
None
Markerpost
71.3 km
Name
Great Ponton Crossroads
Type
Crossroads
Terminus
Not a terminus
Other routes
None
Authority
Restricted turns
Full access
Services
No services
A1 Great Ponton Crossroads
Layout and signage
| Great Ponton | 
|
Great Ponton |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues, with option to exit.
- Lane 1 continues, with option to exit.
- Lane 2 continues, with option to exit.
What's new
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.
Hello, here's my ridiculous side project
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London, in a new light
It was specially designed never to be noticed. And now it's disappearing, nobody has noticed its absence. It's London's own bespoke street light.
Have you seen...
Smart Motorways
Motorways used to be really simple. Now they have electronic signals, variable speed limits, emergency lay-bys, part-time hard shoulders... Just what is so smart about Smart Motorways?
About this page
Published
Last updated
Published
Last updated
