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 monster seen from below
What might it have been like to stand in one spot and witness the arrival, and the uncertainty, of plans for an urban motorway in West London?
The road that made no sense
It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.
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.
Have you seen...
Sir James Drake
County Surveyor and Bridgemaster for Lancashire in the 1950s and 60s, Drake was instrumental in the motorway revolution.
About this page
Published
Last updated
Published
Last updated
