Route
Junction number
7A
Markerpost
37.5 km
Name
South Birmingham Joint
Type
Terminus
Not a terminus
Other routes
M6 Toll
Authority
Restricted turns
Some turns restricted
Services
No services
M42 J7A South Birmingham Joint
Lane configuration
- Lane 1 continues ahead.
- Lane 2 terminates.
- Lane 3 terminates.
- Lane 4 is gained from the entry sliproad.
- Lane 5 is gained from the entry sliproad.
- Lane 6 is gained from the entry sliproad.
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 continues, with option to exit.
- Lane 4 exits and does not return.
- Lane 5 exits and does not return.
Other events
Variable Speed Limits apply
- Variable Speed Limits apply
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...
Studland Motor Road
The first motorway opened in 1958. The first road restricted to motor traffic, on the other hand, opened in 1923...
About this page
Published
Last updated
Published
Last updated
