Businesses in Swansea have welcomed the announcement that the railway line from London will be electrified.
Local business owners are planning to make the most of the new rail links, and hope that the new infrastructure will encourage more business development in the area.
The UK Government announces plans to electrify the line from Cardiff to Swansea, as well as several Valleys lines
There are reports that UK Transport Minister will announce a £1bn project to electrify the railway lines in south Wales.
Theresa Villiers will visit the Welsh Assembly to discuss rail electrification for Wales, but isn't expected to announce further plans.