Route
Junction number
41
Markerpost
291.7 km
Name
Pentyla Interchange (West)
Type
Terminus
Not a terminus
Other routes
A48
Authority
Restricted turns
Some turns restricted
Services
No services
M4 J41 Pentyla Interchange (West)
Layout and signage
| (A48) | 
|
Llansawel — Briton Ferry A48 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
Other events
50mph speed limit begins
National Speed Limit begins
What's new
The sunlit uplands
On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.
Grand openings
Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.
Silver bullet
The Silvertown Tunnel is finally open for business. One question remains: what’s it for?
Have you seen...
Emergency Diversion Routes
Those funny black and yellow symbols are everywhere - and they might just get you back on track one day.
About this page
Published
Last updated
Published
Last updated
