Route
Junction number
15A
Markerpost
Unknown
Name
Penmaenmawr Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
None
Authority
Restricted turns
Full access
Services
No services
A55 J15A Penmaenmawr Interchange
Layout and signage
 |
Penmaenmawr |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
What's new
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?
We need to talk about Wisley
National Highways are spending a third of a billion pounds rebuilding one of the most congested junctions on the M25. Is it money well spent?
Have you seen...
Alley by gaslight
Some of Central London's quieter streets are still, surprisingly, lit by old and rather beautiful gas lanterns. Here are a few, by day and by night.
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