Coryton Line

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Coryton Line
Coryton Line at Coryton, Cardiff - 1988441 4260f108.jpg
The terminus of the Coryton Line at Coryton railway station
TypeHeavy Rail
SystemNational Rail
TerminiCardiff Central railway station
Coryton railway station
OwnerNetwork Rail
Operator(s)Transport for Wales
Number of tracksSingle track covering 6 stations
Track gauge4 ft 8 12 in (1,435 mm) standard gauge
Route map
Cardiff Railway to Trefforest
Tongwynlais Tunnel
Ty Glas
Heath Low Level
Merthyr and Rhondda lines
Cardiff Queen Street
Cardiff Central

The Coryton Line is a commuter railway line in Cardiff from the city centre to Heath, Birchgrove, Rhiwbina, Whitchurch and Coryton. It was originally opened as part of the main line of the Cardiff Railway.

The line is operated by Transport for Wales as part of the Valley Lines network. TfW replaced the previous franchise, Arriva Trains Wales in October 2018. Rolling stock seen operating the line are normally class 143 or 142s. However, due to the occasional shortages of rolling stock it has been known to see class 150s or even 158s operating services.

Services normally continue to Radyr via the City Line and then back towards Coryton.

Electrification of the Line[edit]

On 16 July 2012 plans to electrify the line were announced by the Government as part of a £9.4bn package of investment of the railways in England and Wales.[1]

The announcement was made as an extension of the electrification of the South Wales Main Line from Cardiff to Swansea and the electrification of the south Wales Valley Lines at a total cost of £350 million. The investment will require new trains and should result in reduced journey times and cheaper maintenance of the network. Work was expected to start between 2014 and 2019[2], but has since been pushed back to between 2019 and 2024.[3]

See also[edit]


  1. ^ "£9bn railway investment announced by coalition". BBC News. 16 July 2012.
  2. ^ "Rail electrification to Swansea and south Wales valleys welcomed". BBC News. 16 July 2012.
  3. ^ "Cardiff And Valleys Station Upgrades". Network Rail. 16 May 2018.