| Railroad Name: | Carmarthenshire Railway or Tramroad |
| Start Year: | 1803 |
| End Year: | 1844 |
| Length: | 11.5miles |
| Hq City: | Llanelli |
| Locale: | Wales |
| Successor Line: | Llanelly and Mynydd Mawr Railway |
The Carmarthenshire Railway or Tramroad was a horse-worked plateway built in South Wales in 1803.
| Short Title: | Carmarthenshire Railway or Tramroad Company Act 1802 |
| Type: | Act |
| Parliament: | Parliament of the United Kingdom |
| Long Title: | An Act for making and maintaining a Railway or Tramroad, from or from near a certain Place called The Flats, in the Parish of Llanelly, in the County of Carmarthen, to or near to certain Lime Rocks, called Castell-y-Garreg, in the Parish of Llanfihangel-Aberbythich, in the said County; and for making and maintaining a Dock or Bason at the Termination of the said Railway or Tramroad, at or near the said Place called The Flats. |
| Year: | 1802 |
| Citation: | 42 Geo. 3. c. lxxx |
| Royal Assent: | 3 June 1802 |
| Original Text: | https://www.legislation.gov.uk/ukla/Geo3/42/80/pdfs/ukla_18020080_en.pdf |
| Collapsed: | yes |
| Short Title: | Carmarthenshire Railway or Tramroad Company Act 1834 |
| Type: | Act |
| Parliament: | Parliament of the United Kingdom |
| Citation: | 4 & 5 Will. 4. c. lxx |
| Royal Assent: | 27 June 1834 |
| Original Text: | https://www.legislation.gov.uk/ukla/Will4/4-5/70/pdfs/ukla_18340070_en.pdf |
| Collapsed: | yes |
The Carmarthenshire Railway or Tramroad was authorised under an act of Parliament, the (42 Geo. 3. c. lxxx), of 3 June 1802 - the first granted for a public railway in Wales - to acquire the existing Carmarthenshire Dock at Llanelly and its feeder tramroad built by Alexander Raby by 1799,[1] thus incidentally becoming the world's first dock-owning public railway company.[2] The first 1.5miles from Cwmddyche ironworks down to the sea was open in May 1803 - the first stretch of public railway in use in Britain - and construction ceased in 1805 when the line had reached Gorslas. The engineer was named James Barnes and the gauge was approximately .
The line ceased to operate in or before 1844 and portions of its course were utilised by the Llanelly and Mynydd Mawr Railway, opened in 1881.