Route
Junction number
M42 J3A
Markerpost
170 km
Name
Umberslade Interchange
Type
Terminus
Terminus at top of exit list
Other routes
M42
Authority
Restricted turns
Full access
Services
No services
M40 (M42 J3A) Umberslade Interchange
Layout and signage
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.
Other events
Variable Speed Limits apply
- Variable Speed Limits apply
What's new
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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...
Croydon Ring Road
Common sense suggests that you shouldn't be able to spend so much money on heavy engineering and end up with such a terrible road system.
About this page
Published
Last updated
Published
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