A capacity crowd is expected at the Millennium Stadium 4th February showdown (KO 7.45pm) and trains services are expected to be busy with over 75,000 fans expected in Cardiff.
As well as the additional transport, a queuing system will be in place at Cardiff Central station after the match while Queen Street station will be closed as usual after 8.45pm.
Customers are advised to make their way directly to the station after the match ends and wrap up warm while they wait for their train home.
Simon Turton, Special Events Manager for Arriva Trains Wales said: “Additional services have been added and significant additional capacity will be provided to ensure the transportation of fans to and from the match.”
Full train times and fares information can be obtained by visiting www.arrivatrainswales.co.uk or by calling National Rail Enquiries on 08457 48 49 50 or www.nationalrail.co.uk
