Route
Junction number
43
Markerpost
Unknown
Name
Llandarcy Interchange
Terminus
Not a terminus
Other routes
A465, B4290
Authority
Restricted turns
Full access
Services
No services
M4 J43 Llandarcy Interchange
Layout and signage
|
Castell-nedd Neath Merthyr Tudful Merthyr Tydfil A465 |
A465 |   |
B4290 |
Castell-nedd Neath Merthyr Tudful Merthyr Tydfil A465 |
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- 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...
Sir James Drake
County Surveyor and Bridgemaster for Lancashire in the 1950s and 60s, Drake was instrumental in the motorway revolution.
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