Heart of Wales line
railway in Southwest Wales

The Heart of Wales line (Welsh: Llinell Calon Cymru) is a railway line which connects Craven Arms in Shropshire to Llanelli in South West Wales. It serves a number of rural centres, including the 19th-century spa towns of Llandrindod Wells, Llangammarch Wells and Llanwrtyd Wells. At Builth Road, 2 miles (3.2 km) from the town of Builth Wells, the line crosses the former route of the earlier Mid Wales Railway, which closed in 1962.
History
Historically, the line was known as the Central Wales line (Welsh: Rheilffordd Canol Cymru) and also included routes through Gowerton, where the railway crossed the West Wales lines and ran through Dunvant and Killay then down through the Clyne Valley to Blackpill, and then along the sea wall to Swansea Bay, near to the former slip bridge, before finally reaching Swansea Victoria.
This section, built originally by the Llanelly Railway and Dock Company (LR) to compete with the Great Western Railway and break the monopoly they held on Swansea Dock, closed in 1964. Nationalisation of the railways had removed the need for competing routes, and the running down and closure of Swansea North Dock ended the need for freight services on this section. Trains now use the original LR main line to reach the West Wales lines at Llandeilo Junction and thence Llanelli and Swansea, after a reversal.
North of Llandovery, the route was opened in stages between 1861 and 1868 by a number of different companies, all backed by the London and North Western Railway (LNWR):
the Knighton Railway, authorised by the Knighton Railway Act 1858 (21 & 22 Vict. c. xix)
the Central Wales Railway, authorised by the Central Wales Railway Act 1859 (22 & 23 Vict.
Begin with the source’s own compact description: “Heart of Wales line” is railway in Southwest Wales. The dossier treats that line as a proposition to test through Heart, Wales and line, not as a finished interpretation.
Why this record matters
The phrase “railway in Southwest Wales” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 10, 2026. The linked authority identifier is Q1592424. VIAF identifies the subject as 239698005. The Library of Congress control number is no2012058726. None of the 2 selected statements returned an explicit reference. The first chronological checks are 1962, 1964, 1861 and 1868.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Heart of Wales line” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.