Route
Junction number
40
Markerpost
Unknown
Name
Taibach Interchange
Terminus
Not a terminus
Other routes
A4107
Authority
Restricted turns
Full access
Services
No services
M4 J40 Taibach Interchange
Layout and signage
|
Port Talbot A4107 |
A4107 |   |
A4107 |
Port Talbot A4107 |
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
National Speed Limit begins
50mph speed limit begins
What's new
A century of motorways
It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.
Schrödinger’s speed limit
In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.
Sorry, wrong number
Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?
Have you seen...
The Improbable A39
It crosses cattle grids and untamed moorland, it climbs 1-in-4 hills and plummets through hairpin bends, it runs single-track through woodland and historic villages. It's rugged and beautiful. Is it really the A39?
About this page
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Last updated
Published
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