Route
Junction number
9
Markerpost
43 km
Name
Dunton Interchange
Terminus
Not a terminus
Other routes
A446, A4097
Authority
Restricted turns
Full access
Services
No services
M42 J9 Dunton Interchange
Layout and signage
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
Other events
National Speed Limit begins
Variable Speed Limits apply
What's new
The forever bottleneck, part 2
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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
An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.
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Roundabouts
The UK has been driving in circles for a hundred years now, and this humble road junction has become part of British culture. Just what is so special about roundabouts?
About this page
Published
Last updated
Published
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