The Beeching report led to a massive reduction of route networks and restructuring of the railways 50 years ago, but since then several passenger lines have been reopened.
Tonight's Sharp End looks at whether a direct north-south rail link should also be restored.
Ceredigion MP Mark Williams says linking mid-Wales to south Wales is an important principle and one that needs to be debated.
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It will remain breezy with further blustery and at times thundery showers.
Here's our gallery of some of your St David's Day pictures.
Showers becoming increasingly wintry even to lower levels, bringing an ice risk.