Route
Junction number
4
Markerpost
50.5 km
Name
Handy Cross
Terminus
Not a terminus
Other routes
A404, A4010
Authority
Restricted turns
Full access
Services
No services
M40 J4 Handy Cross
Layout and signage
|
High Wycombe Marlow A404 |
A404 (M4) |
|
A4010 A404 |
High Wycombe Marlow Maidenhead A404 (M4 Link) |
Lane configuration
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
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...
Driver Location Signs
If you're on the motorway (in England at least) you might have noticed some funny blue signs down the side of the road. What are they for?
About this page
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