Llanelli railway station is the railway station serving the town of Llanelli, Carmarthenshire, Wales. It is located on the West Wales Line and the Heart of Wales Line 11 ⁄4 miles west of Swansea by rail. The station, and the majority of trains calling at it, are operated by Arriva Trains Wales. It is located between two Level Crossings (known as East and West) that were previously upgraded in the 1970s.