The old Loughor Viaduct has been replaced and work is focusing on laying two tracks through Gowerton for the start of services on Monday.
More top news
Holidaymaker Nina Holmes died at a Bulgarian ski resort after taking deadly super-strength cocaine, an inquest heard.
Will the 'potentially historic' snow storm hitting the US, find its way to the UK?
A young mother from Haverfordwest is warning others not to send explicit pictures or video after she became a victim of 'revenge porn'.