Rheilffordd arfordir gogledd Cymru Traffic

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Last update: October 2020

This page is mainly intended for railfans and others interested in trains:
For general timetable information please see our Travel Information section.

Passenger | Freight

For information:  National Rail Guidelines for Railway Enthusiasts


1. Chester - Holyhead and branches
Transport for Wales operate most passenger services along the North Wales coast line. Their trunk route services are worked by railcars, usually of Class 158 or 175, with mostly two-car 150s on the Llandudno - Blaenau Ffestiniog and Wrexham - Bidston branches. Trains running to and from Birmingham are generally Class 158-operated; 175s are rarely seen east of Shrewsbury.

There were some exceptions. One is the 'One Wales Express' or 'Y Gerallt Gymro' ('Gerald of Wales') which runs from Holyhead to Cardiff Central and back once each day Mondays - Fridays. This is formed of four coaches, including a buffet / restaurant car, and since 2012 has operated on the 'push-pull' principle with a Class 67 loco at one end and a Driving Van Trailer at the other. Here are the timings at all station stops. However, at the time of writing (due to Covid-19) there are no loco-hauled services. Some Mk4 coaches have been 'cascaded' from LNER with a new to have two loco-hauled diagrams on the Cardiff route; this may begin in early 2021.

Avanti West Coast
All Avanti  services in North Wales, which run to/from London or points on that route,  are worked by Class 221 'Voyager' diesel railcars.

2. The Cambrian lines and Shrewsbury - Wrexham - Chester
The lines west of Shrewsbury to Aberystwyth and Pwllheli currently have no freight service, and the routine passenger trains are always TfW Class 158s, maintained at Machynlleth depot and equipped with the Radio Electronic Token Block signalling in use on the Cambrian system. There are, however, special trains from time to time: watch our Calendar page for details. However, steam trains are not now allowed on the Cambrian lines as they cannot work with the 'ERTMS' signalling now installed. Engineering trains and railtours require the Cass 97/3 locos, converted from old Class 37s, which are fitted with the ERTMS equipment.  On-track plant such as tampers have to be piloted by a 97/3 to reach points on the Cambrian.

The Shrewsbury - Chester via Wrexham line sees greater variety, Arriva Trains Wales services being a mixture of Classes 175 and 158 with the occasional 150 or even 153, as well as the 'All-Wales Express' (see above).

Avanti West Coast serve Wrexham General with one through train to London on Monday-Friday mornings and one return in the evenings. The Class 221 Voyager attaches to another from Holyhead at Chester, and detaches at Chester in the evening.

See the links on our Travel Information page for more about passenger timetables.

3. The Branch Lines

The 'Borderlands' service between Wrexham and Bidston is home to Class 150 two-car DMUs but will be handed over, perhaps in 2021, to the five Class 230 sets, rebuilt from London Underground stock by the Vivarail company.  These are 'hybrid'  units with electric traction motors powered by batteries, and a diesel engine which charges the batteries automatically.

The Conwy Valley service from Llandudno to Blaenau Ffestiniog is maintained by a Class 153 single-car diesel railcar; it was originally announced that the 230s would work there too, but the Boorderlands service is to be increased from hourly to half-hourly which will require four units.


There are no freight services at all on the North Wales Coast line at the moment (December 2019), although there are rumours of new flows in the future.

December 2008 saw the end of the long-standing railway ballast stone traffic from Hanson’s Penmaenmawr quarry, due to the loss of the Network Rail contract. A few trains ran after that, but by 201t rhere were none. The nuclear flask traffic serving Wylfa power station ceased in 2019 with the completion of the de-fuelling process finished.

To see freight trains you need to go to Chester, or the high-level line at Shotton.

Trains bring timber from the Carlisle area to the timber products factory at Chirk on the Chester - Wrexham - Shrewsbury line are  run by Colas Rail  and run via Warrington Bank Quay, Helsby and Chester.

6J37 13:27 Carlisle - Chirk : passes Chester c.18:35 Mondays, Wednesdays and Fridays
6C37 23:07 Chirk - Carlisle

There is no crossover at Chirk: after unloading, trains continue to Gobowen for the locomotive to run round.

Over the Top

On Thursdays ( when required) , DB Cargo deliver coal in MEA box wagons from Warrington to Penyffordd Cement Works (on the Wrexham–Bidston line – the loco runs round the train at Croes Newydd, Wrexham) in the early morning. The return is 6E41 14:57 Penyffordd–Healey Mills, passing Chester at around 18:10.  The year 2020 sees cement leaving the works again by train, using newly-created loading facilities. This flow is in the hands of GB Railfreight; trains run to Avonmouth three times per week, returning empty the following day. Services to other teminals are planned.

In addition to the above, steel traffic from South Wales to Dee Marsh Junction (one mile north of Shotton) can be seen using the 'top line' (Wrexham–Bidston) which crosses the Coast line at Shotton station.  The normal daytime trains are listed below, but it should be noted that in 2009 they have all been running on an 'as required' basis, no doubt due to market conditions in the industry,

Mondays - Fridays:

6V75 09:30 Dee Marsh - Margam (passes Wrexham 10:00)
6M86 13:13 Llanwern - Dee Marsh (passes Wrexham 17:35)


6V75 09:30 Dee Marsh - Margam (passes Wrexham 10:00)
6M88 07:04 Llanwern - Dee Marsh (passes Wrexham 13:35 - runs when required)
6V90 15:34 Dee Marsh - Margam (passes Wrexham 16:05 - runs when required)


10:08 6M24 Llanwern - Dee Marsh (Passes Wrexham 14:05)
15:35 6V47 Dee Maesh - Llanwern (passes Wrexham 16:15)
11:02 6M30 Margam - Dee Marsh (passes Wrexham 17:05)

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