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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Arriva, which has been operating the franchise for 15 years, pulled out of the bidding last year.
The fund is aimed at small and medium sized builders
It will be another very warm day inland, with cooler conditions at the coast.