Route
Junction number
44
Markerpost
301.2 km
Name
Lôn-las Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A48, A4230, B4291, B4625
Authority
Restricted turns
Full access
Services
No services
M4 J44 Lôn-las Interchange
Layout and signage
|
Abertawe (D) Swansea (E) A48 |
A4230 B4291 |
|
A48 B4625 |
Abertawe (D) Swansea (E) A48 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
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...
Queensway Tunnel
The engineering marvel of its day, much altered and maligned ever since: this is the original Mersey Tunnel in all its glory.
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