Route
Junction number
None
Markerpost
Unknown
Name
Redbridge Roundabout
Terminus
Not a terminus
Other routes
A12
Authority
Restricted turns
Full access
Services
No services
A406 Redbridge Roundabout
Layout and signage
|
Central London Chelmsford Romford A12 |
A12 | 
|
A12 |
Central London Stratford Chelmsford Romford A12 |
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Then further along:
- Lane 1 is gained from the entry sliproad.
- Lane 2 is gained from the entry sliproad.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 exits and does not return.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Then further along:
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 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...
Reigate Tunnel
An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.
About this page
Published
Last updated
Published
Last updated
