Route
Junction number
23A
Markerpost
Unknown
Name
Magor Interchange
Terminus
Not a terminus
Other routes
A4810
Authority
Restricted turns
Full access
Services
Service area here
Service area name
Magor
Services operator
First
M4 J23A Magor Interchange
Layout and signage
|
Caldicot Magwyr Magor A4810  Magor
|
  |
A4810 |
Magwyr Magor Caldicot A4810 Magor
|
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
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...
A Piece of History
The lowly and pathetic A6144(M) motorway was downgraded in May 2006. This is the story of the mission to rescue some memorabilia.
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