Welsh Government
A465 Aberbaiden Roundabout
Route
Name
Aberbaiden Roundabout
Highway Authority
Location type
Roundabout Interchange
A465 Llanfoist Interchange
Route
Name
Llanfoist Interchange
Highway Authority
Location type
Non-standard interchange
A40 Hardwick Gyratory
Route
Name
Hardwick Gyratory
Highway Authority
Location type
Non-standard interchange
A40 Raglan Roundabout
Route
Name
Raglan Roundabout
Highway Authority
Location type
Roundabout
A40 Castle Road Junction
Route
Name
Castle Road Junction
Highway Authority
Location type
T-Junction
A40 Monmouth Road Junction
Route
Name
Monmouth Road Junction
Highway Authority
Location type
Crossroads
A55 J32B Halkyn Junction
Route
Name
Halkyn Junction
Highway Authority
Location type
Non-standard interchange
A470 Coryton Interchange
Route
Name
Coryton Interchange
Highway Authority
Location type
Three Level Stacked Roundabout
A470 Taff's Well Interchange
Route
Name
Taff's Well Interchange
Highway Authority
Location type
Non-standard interchange
A470 Nantgarw Interchange
Route
Name
Nantgarw Interchange
Highway Authority
Location type
Roundabout Interchange
A470 Upper Boat Interchange
Route
Name
Upper Boat Interchange
Highway Authority
Location type
Roundabout Interchange
A470 Glyntaff Interchange
Route
Name
Glyntaff Interchange
Highway Authority
Location type
Non-standard interchange
A470 Broadway Interchange
Route
Name
Broadway Interchange
Highway Authority
Location type
Roundabout Interchange
A470 Bridge Street Interchange
Route
Name
Bridge Street Interchange
Highway Authority
Location type
Roundabout Interchange
A470 Abercynon Interchange
Route
Name
Abercynon Interchange
Highway Authority
Location type
Non-standard interchange
A470 Abercynon Services
Route
Name
Abercynon Services
Highway Authority
Location type
Service area only
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?
