In Edinburgh, dozens of old catering carriages are being converted for use on trains from South Wales to London.
It means there will be more room for passengers travelling on peak time services to and from Paddington. First Great Western says it will help to alleviate overcrowding.
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Wales have qualified for the Euro 2016 quarter finals after beating Northern Ireland 1-0 in Paris.
A rally has been held in Cardiff following the EU referendum to show support to migrant communities.
It's 0-0 at half time in Paris as Wales face Northern Ireland in the last 16 of Euro 2016.