Route
Junction number
30
Markerpost
Unknown
Name
Cardiff Gate
Terminus
Not a terminus
Other routes
A4232
Authority
Restricted turns
Full access
Services
Service area here
Service area name
Cardiff Gate
Services operator
Welcome Break
M4 J30 Cardiff Gate
Layout and signage
|
Caerdydd (Dn) Cardiff (E) A4232  Cardiff Gate
|
 |
A4232 |
Caerdydd (Dn) Cardiff (E) A4232 Cardiff Gate
|
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 continues, with option to exit.
- 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...
Ringways
The story of an incredible plan to reshape London into a city of motorways, with the history from creation to cancellation and details on every unbuilt road.
About this page
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Published
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