Merthyr line

Merthyr Line
Merthyr Line
	A Transport for Wales diesel multiple unit at Pontypridd
Overview
Owner	Transport for Wales
Locale	Cardiff; Rhondda Cynon Taff
Termini	Cardiff Central; Merthyr Tydfil; Aberdare; ;
Service
Type	Suburban rail
System	National Rail
Operator(s)	Transport for Wales Rail
Rolling stock	Class 150 DMUs; Class 231; Class 756;
Technical
Line length	Merthyr–Abercynon: 8 miles 18 chains (13.2 km); Aberdare–Abercynon: 6 miles 8 chains (9.8 km); Abercynon–Cardiff: 15 miles 74 chains (25.6 km); Total: 30 miles 20 chains (48.7 km);
Number of tracks	Double track Cardiff to Abercynon, ; single track with passing loops on the Aberdare and Merthyr Tydfil branches
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Electrification	25 kV 50 hz AC OLE (Discontinuous)
Route map
Route map

The Merthyr line is a suburban rail line in South Wales; it connects Cardiff Central with Merthyr Tydfil and Aberdare. The line is part of the Cardiff suburban rail network, known as the Valley Lines.