Welsh Government
A55 Beddmanarch Bay Causeway
Route
Name
Beddmanarch Bay Causeway
Highway Authority
Location type
Watercourse
M48 J2 Newhouse Interchange
Route
Name
Newhouse Interchange
Highway Authority
Location type
Roundabout Interchange
M4 J47 Penllergaer Interchange
Route
Name
Penllergaer Interchange
Highway Authority
Location type
Roundabout Interchange
M4 J46 Llangyfelach Interchange
Route
Name
Llangyfelach Interchange
Highway Authority
Location type
Non-standard interchange
M4 J45 Ynysforgan Interchange
Route
Name
Ynysforgan Interchange
Highway Authority
Location type
Roundabout Interchange
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...
Roundabouts
The UK has been driving in circles for a hundred years now, and this humble road junction has become part of British culture. Just what is so special about roundabouts?
