Route
Junction number
16
Markerpost
61 km
Name
Dunkirk Roundabout
Type
Non-standard interchange
Terminus
Terminus at end of exit list
Other routes
A494, A540, A5117
Authority
Restricted turns
Full access
Services
No services
M56 J16 Dunkirk Roundabout
Layout and signage
| N/A | A5117 A540 |
|
A540 |
NORTH WALES Queensferry A494 Hoylake Chester A540 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
Other events
Start of motorway regulations
End of motorway regulations
What's new
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.
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.
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
