Welsh Government
A55 J19 Glan Conwy Interchange
Route
Name
Glan Conwy Interchange
Highway Authority
Location type
Roundabout Interchange
A55 J18 Llandudno Junction Interchange
Route
Name
Llandudno Junction Interchange
Highway Authority
Location type
Roundabout Interchange
A55 J15A Penmaenmawr Interchange
Route
Name
Penmaenmawr Interchange
Highway Authority
Location type
Non-standard interchange
A55 J15 Llanfairfechan Roundabout
Route
Name
Llanfairfechan Roundabout
Highway Authority
Location type
Roundabout
A55 J14 Madryn Interchange
Route
Name
Madryn Interchange
Highway Authority
Location type
Non-standard interchange
A55 J13 Abergwyngregyn Interchange
Route
Name
Abergwyngregyn Interchange
Highway Authority
Location type
Non-standard interchange
A55 J12 Tal y Bont Interchange
Route
Name
Tal y Bont Interchange
Highway Authority
Location type
Non-standard interchange
A55 J11 Llys y Gwynt Interchange
Route
Name
Llys y Gwynt Interchange
Highway Authority
Location type
Roundabout Interchange
A55 J10 Caernarfon Road Interchange
Route
Name
Caernarfon Road Interchange
Highway Authority
Location type
Non-standard interchange
A55 J9 Treborth Interchange
Route
Name
Treborth Interchange
Highway Authority
Location type
Non-standard 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...
Sir James Drake
County Surveyor and Bridgemaster for Lancashire in the 1950s and 60s, Drake was instrumental in the motorway revolution.
