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.
More top news
The Met Office has issued a Yellow 'Be Aware' warning for strong winds and gusts of 60-70mph on exposed coastal areas
Breezy with further showers, locally heavy, spreading in from the west at times.
Breezy, but winds gradually easing overnight. There will be clear spells and isolated showers through the evening.