Here are details on the services on the truck-road A55, starting at Anglesey and ending at Chester. The services in Wales may also be signposted as Gwasanathaeu. Also on Motorway Services Online: Services on the M56.
Full details: Bangor
A large service area previously owned by Pavilion.
Penmaenmawr (No HGVs)
Location & Services Type: Single site located between junctions 14 & 15 on the westbound side only, Conwy, LL34 6UN. [Google Maps link]
Notes: Also known as 'Orme View Services'. Former Little Chef site: a farm shop and café now occupies the old building after the former Little Chef was abandoned for years.
This site is open 24hrs
Llanddulas (No HGVs)
Location & Services Type: Single site located at J23, Clwyd, LL22 8HH. Also accessible to traffic on the A547. [Google Maps link]
The Shell filling station is open 24hrs
Location & Services Type: Two sites staggered between junctions, with no connection between them between J24a and J25, Denbighshire, LL18 5XW. [Google Maps link]
Notes: Also sometimes known as Bodelwyddan. Former Little Chef site; it closed on 26th September 2012.
The Esso filling stations are open 24hrs
Halkyn (No HGVs)
Location & Services Type: Single site located at a junction on the westbound side only between J32a and J33, Denbighshire, CH8 8DF. [Google Maps link]
Notes: The two services are in fact completely different, and the only thing they share is a name. Even then, they are sometimes referred to as 'Gateway services'. In 2012, A Little Chef Express was introduced on the eastbound side along with 10 other Little Chef sites.
The Shell filling stations are open 24hrs