Route
Junction number
None
Markerpost
Unknown
Name
Ingatestone Lane Configuration Change
Type
Lane configuration change
Terminus
Not a terminus
Other routes
None
Authority
Restricted turns
Full access
Services
No services
A12 Ingatestone Lane Configuration Change
Layout and signage
Lane configuration
- Lane 1 splits to create a new lane.
- Lane 2 continues ahead.
What's new
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.
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.
Have you seen...
Major incidents
What happens when there's a big accident on a trunk route? Who picks up the pieces, and why does it take so long?
About this page
Published
Last updated
Published
Last updated
