Route
Junction number
None
Markerpost
13.3 km
Name
Elstow Interchange
Terminus
Not a terminus
Other routes
A6, A5141
Authority
Restricted turns
Full access
Services
No services
A421 Elstow Interchange
Layout and signage
|
Luton A6 Bedford Elstow A5141 |
A5141 | 
|
A6 |
Bedford Luton A6 |
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.
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
An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.
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...
From War to Worboys
The tale of how British traffic signing developed between the Second World War and the mid-1960s, bringing us from a system designed at the turn of the century to the signs we still use today.
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